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Segment Reporting (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
	May 30, 2026	May 31, 2025	Jun. 01, 2024
Disaggregation of Revenue [Line Items]
Net sales	$ 2,911,632	$ 4,261,885	$ 2,326,443
Conventional Shell Egg [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,309,557	2,703,502	1,226,903
Specialty Shell Egg Sales [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,049,228	1,126,601	863,297
Prepared Foods [Member]
Disaggregation of Revenue [Line Items]
Net sales	244,802	4,050
Other Segments Sales [Member]
Disaggregation of Revenue [Line Items]
Net sales	308,045	427,732	236,243
Retail [Member]
Disaggregation of Revenue [Line Items]
Net sales	2,389,247	3,611,705	2,042,051
Retail [Member] \| Conventional Shell Egg [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,099,245	2,247,913	1,007,282
Retail [Member] \| Specialty Shell Egg Sales [Member]
Disaggregation of Revenue [Line Items]
Net sales	952,556	1,022,253	835,826
Retail [Member] \| Prepared Foods [Member]
Disaggregation of Revenue [Line Items]
Net sales	92,031	4,050
Retail [Member] \| Other Segments Sales [Member]
Disaggregation of Revenue [Line Items]
Net sales	245,415	337,489	198,943
Foodservice [Member]
Disaggregation of Revenue [Line Items]
Net sales	450,383	611,988	273,274
Foodservice [Member] \| Conventional Shell Egg [Member]
Disaggregation of Revenue [Line Items]
Net sales	193,614	424,133	210,423
Foodservice [Member] \| Specialty Shell Egg Sales [Member]
Disaggregation of Revenue [Line Items]
Net sales	92,343	98,508	25,879
Foodservice [Member] \| Prepared Foods [Member]
Disaggregation of Revenue [Line Items]
Net sales	104,157	0
Foodservice [Member] \| Other Segments Sales [Member]
Disaggregation of Revenue [Line Items]
Net sales	60,269	89,347	36,972
Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	72,002	38,192	11,118
Other [Member] \| Conventional Shell Egg [Member]
Disaggregation of Revenue [Line Items]
Net sales	16,698	31,456	9,198
Other [Member] \| Specialty Shell Egg Sales [Member]
Disaggregation of Revenue [Line Items]
Net sales	4,329	5,840	1,592
Other [Member] \| Prepared Foods [Member]
Disaggregation of Revenue [Line Items]
Net sales	48,614	0
Other [Member] \| Other Segments Sales [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 2,361	$ 896	$ 328

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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+ Details

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

+ Details

Fair Value Measurements (Schedule of Beginning and Ending Balances in Fair Value of The Contingent Consideration) (Details) - Fassio Egg Farms, Inc. [Member] - USD ($) $ in Thousands	12 Months Ended
	May 30, 2026	May 31, 2025	Jun. 01, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of the contingent consideration, Beginning balance	$ 21,500	$ 6,500	$ 0
Acquisition of Fassio			1,000
Fair value adjustments	0	15,000	5,500
Fair value of the contingent consideration, Ending balance	$ 21,500	$ 21,500	$ 6,500

Summary of Significant Accounting Policies	12 Months Ended
Summary of Significant Accounting Policies	May 30, 2026
Summary of Significant Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Note 1 - Summary of Significant Accounting Policies Nature of Operations Cal -Maine Foods, Inc. (“we,” “us,” “our,” or the “Company”) is the largest egg company in the United States (“U.S.”) and a leading player in the egg-based food industry. The Company’s shell egg portfolio spans the full egg value ladder —from conventional to specialty, including cage-free, nutritionally enhanced, organic, brown, pasture -raised, and free-range eggs— serving both retail and foodservice customers nationwide. Cal -Maine Foods also participates in the growing prepared foods sector, with offerings such as pre-cooked egg patties, omelets, folded and scrambled egg formats, hard -cooked eggs, pancakes, waffles, and specialty wraps. Our branded portfolio includes Eggland’s Best®, Land O’Lakes®, Farmhouse Eggs®, 4Grain®, Sunups®, Van’s®, MeadowCreek Foods®, and Crepini®. We sell most of our products throughout much of the U.S. and aim to maintain efficient, state -of-the-art operations located close to our customers. We were founded in 1957 and are headquartered in Ridgeland, Mississippi. Principles of Consolidation The consolidated financial statements include the accounts of all wholly-owned subsidiaries and of majority -owned subsidiaries over which we exercise control. All significant intercompany transactions and accounts have been eliminated in consolidation. Fiscal Year The Company’s fiscal year -end is on the Saturday closest to May 31. The fiscal years ending on May 30, 2026, May 31, 2025, June 1, 2024 each included 52 weeks. Use of Estimates The preparation of the consolidated financial statements in conformity with generally accepted accounting principles (“GAAP”) in the United States of America requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could differ from those estimates. Cash and Cash Equivalents The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents. We maintain bank accounts that are insured by the Federal Deposit Insurance Corporation up to $ 250,000 . The Company routinely maintains cash balances with certain financial institutions in excess of federally insured amounts. The Company has not experienced any loss in such accounts. The Company manages this risk through maintaining cash deposits and other highly liquid investments in high quality financial institutions. Investment Securities Available-for-Sale The Company has determined that its debt securities are available -for-sale investments and are classified as current because the amounts invested are available for current operations. Available -for-sale securities are carried at fair value, based on quoted market prices as of the balance sheet date, with unrealized gains and losses recorded in other comprehensive income. The amortized cost of debt securities is adjusted for amortization of premiums and accretion of discounts to maturity and is recorded in interest income. The Company regularly evaluates changes to the rating of its debt securities by credit agencies and economic conditions to assess and record any expected credit losses through allowance for credit losses, limited to the amount that fair value was less than the amortized cost basis. There was no allowance for credit losses at May 30, 2026 and May 31, 2025. The cost basis for realized gains and losses on available -for-sale securities is determined by the specific identification method. Gains and losses are recognized in other income (expense) as “Other, net” in the Company’s Consolidated Statements of Income. Interest and dividends on securities classified as available -for-sale are recorded in “Interest income , net” in the Company’s Consolidated Statements of Income. Trade Receivables Trade receivables are stated at their carrying values, which include a reserve for credit losses. At May 30, 2026 and May 31, 2025, reserves for credit losses were $ 719 thousand and $ 745 thousand, respectively. The Company extends credit to customers based on an evaluation of each customer ’s financial condition and credit history. Collateral is generally not required. The Company minimizes exposure to counter party credit risk through credit analysis and approvals, credit limits, and monitoring procedures. In determining our reserve for credit losses, receivables are assigned an expected loss based on historical loss information adjusted as needed for economic and other forward-looking factors. At May 30, 2026 and May 31, 2025, one customer accounted for approximately 26.2 % and 28.1 % of the Company’s trade accounts receivable, respectively. Inventories Inventories of flocks, feed, supplies, raw materials and finished goods are valued principally at the lower of cost or net realizable value. The cost of inventories is determined by either the first-in, first-out method or the weighted-average method. The cost associated with flocks, consisting principally of chicks, feed, labor, contractor payments and overhead costs, are accumulated during a growing period of approximately 22 weeks. Flock costs are amortized to cost of sales over the productive lives of the flocks, generally one to two years . As the amortization period of the flocks is relatively short, disclosure of the gross cost and accumulated amortization is omitted. Flock mortality is charged to cost of sales as incurred. Property, Plant and Equipment Property, plant and equipment are stated at cost. Depreciation is provided by the straight-line method over the estimated useful lives, which are 15 to 25 years for buildings and improvements and 3 to 12 years for machinery and equipment. Expenditures that significantly extend the useful life of the related assets are capitalized. Normal repairs and maintenance are expensed as incurred. When property, plant, and equipment are retired, sold, or otherwise disposed of, the asset’s carrying amount and related accumulated depreciation are removed from the accounts and any gain or loss is included in operations. When certain events or changes in operating conditions occur, asset lives may be adjusted and an impairment assessment may be performed on the recoverability of the carrying amounts. Investments in Unconsolidated Entities The equity method of accounting is used when the Company can exert significant influence over an entity, but does not control its financial and operating decisions. Under the equity method, original investments are recorded at cost and adjusted by the Company’s share of undistributed earnings or losses of these entities. Equity investments without readily determinable fair values, when the Company does not have the ability to exercise significant influence over the investee, are recorded at cost, less impairment, plus or minus observable price changes. Goodwill Goodwill represents the excess of the purchase price over the fair value of the identifiable net assets acquired. Goodwill is evaluated for impairment at least annually or more frequently if impairment indicators arise by first performing a qualitative assessment to determine whether a quantitative goodwill test is necessary. After assessing the totality of events or circumstances, if we determine it is more likely than not that the fair value of a reporting unit is less than its carrying amount, then we perform additional quantitative tests to determine the magnitude of any impairment. Intangible Assets Intangible assets are initially recorded at fair value in business acquisitions, which include franchise rights, customer relationships, non-compete agreements, trademarks and right of use intangibles. They are amortized over their estimated useful lives of 5 to 15 years. The gross cost and accumulated amortization of intangible assets are removed when the recorded amounts are fully amortized and the asset is no longer in use or the contract has expired. When certain events or changes in operating conditions occur, asset lives may be adjusted and an impairment assessment may be performed on the recoverability of the carrying amounts. Indefinite life assets are recorded at fair value in business acquisitions and represent brand names and water rights. They are not amortized, but are reviewed for impairment at least annually or more frequently if impairment indicators arise. Insurance Liabilities and Restricted Cash The Company uses a combination of insurance and self-insurance programs, including a wholly-owned captive insurance subsidiary (the “Captive”) to provide coverage for the potential liabilities for workers’ compensation, auto liability and general liability risks. Liabilities associated with these risks that are retained by the Company are not discounted and are estimated, in part, by considering historical claims experience, severity factors and other actuarial assumptions. These liabilities are recorded within “Accrued expenses and other current liabilities” in the Company’s Consolidated Balance Sheets and were $ 11.4 million and $ 8.0 million at May 30, 2026 and May 31, 2025, respectively. The Captive maintains certain levels of cash and cash equivalents which are restricted in use to secure the insurer’s obligations for workers’ compensation, auto liability and general liability programs. Restricted cash was $ 6.3 million and $ 1.0 million as of May 30, 2026 and May 31, 2025, respectively, and is recorded within “Prepaid expenses and other current assets ” in the Company’s Consolidated Balance Sheets. The Company also maintains medical plans covering substantially all full-time employees. Under the plan, the Company self- insures its portion of medical claims and uses stop-loss insurance to limit its portion of medical claims to $ 275,000 per occurrence. Liabilities associated with these risks are estimated in part by considering historical claims experience, medical cost trends, demographic factors, severity factors and other actuarial assumptions. The Company’s expenses including accruals for incurred but not reported claims were approximately $ 26.6 million, $ 22.8 million, and $ 23.0 million in fiscal years 2026, 2025, and 2024, respectively. The liability recorded for incurred but not reported claims was $ 4.3 million and $ 3.0 million as of May 30, 2026, and May 31, 2025, respectively and are classified within “Accrued expenses and other current liabilities” in the Company’s Consolidated Balance Sheets. Dividends Payable Dividends are accrued at the end of each quarter according to the Company’s dividend policy adopted by its Board of Directors (“Board”) . The Company pays a dividend to stockholders of its Common Stock on a quarterly basis for each quarter for which the Company reports net income attributable to Cal-Maine Foods, Inc. , computed in accordance with GAAP, in an amount equal to one-third (1/3) of such quarterly net income. Dividends are paid to stockholders of record as of the 60th day following the last day of such quarter, except for the fourth fiscal quarter. For the fourth quarter, the Company pays dividends to stockholders of record on the 65th day after the quarter end. Dividends are payable on the 15th day following the record date. Following a quarter for which the Company does not report net income attributable to Cal -Maine Foods, Inc., the Company will not pay a dividend for a subsequent profitable quarter until the Company is profitable on a cumulative basis computed from the date of the most recent quarter for which a dividend was paid. The dividend policy is subject to periodic review by the Board. In accordance with our variable dividend policy, we will not pay a cash dividend to holders of our Common Stock with respect to our fourth quarter of fiscal 2026. Revenue Recognition The Company recognizes revenue through sale of its products to customers through retail, foodservice and other distribution channels. The majority of the Company’s revenue is derived from agreements or contracts with customers based upon the customer ordering its products with a single performance obligation of delivering the product. The Company believes the performance obligation is met upon delivery and acceptance of the product by our customers, which generally occurs upon shipment or delivery to a customer based on terms of the sale. Costs paid to third party brokers to obtain agreements are expensed as the Company’s agreements are generally less than one year. Revenues are recognized in an amount that reflects the net consideration we expect to receive in exchange for delivery of the products. The Company periodically offers sales incentives or other programs such as rebates, discounts, coupons, volume -based incentives, guaranteed sales and other programs. The Company records an estimated allowance for costs associated with these programs, which is recorded as a reduction in revenue at the time of sale using historical trends and projected redemption rates of each program. The Company regularly reviews these estimates and any difference between the estimated costs and actual realization of these programs would be recognized the subsequent period. Shipping and Distribution Costs to deliver product to customers are included in selling, general and administrative expenses in the accompanying Consolidated Statements of Income and totaled $ 108.0 million, $ 93.5 million, and $ 72.7 million in fiscal years 2026, 2025, and 2024, respectively. Income Taxes Income taxes are accounted for using the liability method. Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. The Company’s policy with respect to evaluating uncertain tax positions is based upon whether management believes it is more likely than not the uncertain tax positions will be sustained upon review by the taxing authorities. The tax positions must meet the more-likely-than -not recognition threshold with consideration given to the amounts and probabilities of the outcomes that could be realized upon settlement using the facts, circumstances and information at the reporting date. The Company will reflect only the portion of the tax benefit that will be sustained upon resolution of the position and applicable interest on the portion of the tax benefit not recognized. The Company initially and subsequently measures the largest amount of tax benefit that is greater than 50% likely to be realized upon settlement with a taxing authority that has full knowledge of all relevant information. The Company records interest and penalties on uncertain tax positions as a component of income tax expense. Based upon management’s assessment, there are no uncertain tax positions expected to have a material impact on the Company’s consolidated financial statements. Business Combinations The Company applies the acquisition method of accounting, which requires that once control is obtained, all the assets acquired and liabilities assumed, including amounts attributable to noncontrolling interests, are recorded at their respective fair values at the date of acquisition. The excess of the purchase price over fair values of identifiable assets and liabilities is recorded as goodwill. We use various models and methods to determine the fair values of identifiable assets and liabilities, such as top-down and bottom-up approach for inventory, cost method and market approach for property, relief-from-royalty and multi-period excess earnings to value intangibles. Significant estimates in valuing certain intangible assets include, but are not limited to, the amount and timing of future cash flows, growth rates, discount rates and useful lives. Gain (Loss) on Involuntary Conversions The Company maintains insurance for both property damage and business interruption relating to catastrophic events, such as fires, hurricanes, tornadoes and other acts of God, and is eligible to participate in U.S. Department of Agriculture (“USDA”) indemnity and compensation programs for certain losses due to disease outbreaks such as highly pathogenic avian influenza (“HPAI”). Specifically, the Animal Health Protection Act authorizes the USDA to provide indemnity payments to producers for birds and eggs that must be destroyed during a disease response. Payments received under these programs are based on the fair market value of the poultry and/or eggs at the time that HPAI virus is detected in the flock. Other covered costs include feed, depopulation and disposal costs, and virus elimination costs. The USDA does not provide indemnity for income or production losses suffered due to downtime or other business disruptions nor for indirect continuing expenses. Recoveries received for property damage, business interruption and disease outbreaks in excess of or less than the net book value of damaged assets, including poultry, clean-up and demolition costs, and other direct post-event costs are recorded within “Gain (loss) on involuntary conversions” in the period received or committed when all contingencies associated with the recoveries are resolved. Loss Contingencies Certain conditions may exist as of the date the consolidated financial statements are issued that may result in a loss to the Company but which will only be resolved when one or more future events occur or fail to occur. The Company’s management and its legal counsel assess such contingent liabilities, and such assessment inherently involves an exercise of judgment. In assessing loss contingencies related to legal proceedings that are pending against the Company or unasserted claims that may result in such proceedings, the Company’s legal counsel evaluates the perceived merits of any legal proceedings or unasserted claims as well as the perceived merits of the amount of relief sought or expected to be sought therein. If the assessment of a contingency indicates it is probable that a material loss has been incurred and the amount of the liability can be estimated, the estimated liability would be accrued in the Company’s consolidated financial statements. If the assessment indicates a potentially material loss contingency is not probable, but is reasonably possible, or is probable but cannot be estimated, then the nature of the contingent liability, together with an estimate of the range of possible loss if determinable and material, would be disclosed. Loss contingencies considered remote are generally not disclosed unless they involve guarantees, in which case the nature of the guarantee would be disclosed. The Company expenses the costs of litigation as they are incurred. New Accounting Pronouncements and Policies In December 2023, the FASB issued ASU 2023 -09, Income Taxes (Topic 740) - Improvements to Income Tax Disclosures . This ASU requires that an entity, on an annual basis, disclose additional income tax information, primarily related to the rate reconciliation and income taxes paid. The ASU is intended to enhance the transparency and decision usefulness of income tax disclosures. ASU 2023 -09 is effective for fiscal periods beginning after December 15, 2024. The Company has adopted ASU 2023-09 for the year ended May 30, 2026, on a prospective basis. See Note 14 - Income Taxes for additional disclosures. In November 2024, the FASB issued ASU 2024 -03, Income Statement — Reporting Comprehensive Income — Expense Disaggregation Disclosures (Subtopic 220-40) . The objective of ASU 2024 -03 is to improve disclosures about a public entity’s expenses, primarily through additional disaggregation of income statement expenses. Additionally, in January 2025, the FASB further clarified the effective date of ASU 2024 -03 with the issuance of ASU 2025 -01. ASU 2024 -03 is effective for annual periods beginning after December 15, 2026, and interim periods within annual reporting periods beginning after December 15, 2027. Early adoption is permitted and may be applied either on a prospective or retrospective basis. The Company is currently evaluating the impact of ASU 2024-03 on its consolidated financial statement disclosures. There are no other new accounting pronouncements issued or effective during the fiscal year that had or are expected to have a material impact on our consolidated financial statements.

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	May 30, 2026	May 31, 2025	Jun. 01, 2024
Cash flows from operating activities:
Net income	$ 318,112	$ 1,218,232	$ 276,282
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	124,342	94,021	80,241
Deferred income taxes	67,363	11,570	(9,672)
Stock compensation expense	5,757	4,527	4,358
Loss on change in fair value contingent consideration	0	15,000	5,500
Other operating activities, net	(4,425)	(15,426)	(6,908)
Change in operating assets and liabilities, net of effects from acquisitions:
(Increase) decrease in trade receivables	139,753	(104,997)	(27,570)
(Increase) decrease in inventories	(34,978)	(12,224)	28,800
Increase (decrease) in accounts payable and current accrued expenses	(8,338)	65,311	9,353
Net change in income taxes receivable and payable	(94,810)	(45,946)	91,567
Net changes in other operating assets and liabilities	(33,023)	(5,334)	(553)
Net cash provided by operating activities	479,753	1,224,734	451,398
Cash flows from used in investing activities:
Purchases of investments	(648,915)	(1,213,593)	(573,565)
Sales of investments	745,240	907,640	358,932
Acquisition of businesses, net of cash acquired	(427,794)	(116,193)	(53,746)
Acquisition of Van's	(24,776)	0	0
Investment in unconsolidated entities	0	0	(363)
Distributions from unconsolidated entities	3,253	4,050	3,000
Purchases of property, plant and equipment	(151,220)	(161,255)	(147,116)
Net proceeds from disposal of property, plant and equipment	328	3,882	272
Net cash used in investing activities	(503,884)	(575,469)	(412,586)
Cash flows used in financing activities:
Principal payments on long-term debt	0	(2,481)	0
Principal payments on finance lease	0	0	(214)
Purchase of common stock by treasury	(131,124)	(53,953)	(1,688)
Payments of dividends	(231,622)	(330,290)	(91,856)
Net cash used in financing activities	(362,746)	(386,724)	(93,758)
Increase (decrease) in cash, cash equivalents and restricted cash	(386,877)	262,541	(54,946)
Cash, cash equivalents and restricted cash at beginning of year	500,419	237,878	292,824
Cash, cash equivalents and restricted cash at end of year	$ 113,542	$ 500,419	$ 237,878

Stock-Based Compensation (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	May 30, 2026	May 31, 2025	Jun. 01, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense (benefit)	$ 5,300	$ 4,500	$ 4,400
Share based compensation percent of target award at minimum	0.00%
Share based compensation percent of target award at maximum	150.00%
2012 Omnibus Long-Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock issued from treasury shares under the plan	89,867	47,700	86,803
Shares remaining for issuance	719,234
Unrecognized compensation expense	$ 9,000	$ 8,000
Weighted average period of unrecognized compensation expense	2 years 1 month 6 days
Performance-Based Long-Term Incentive Awards Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Unrecognized compensation expense	$ 779
Weighted average period of unrecognized compensation expense	2 years
Stock based compensation expense (benefit)	$ 387

Segment Reporting (Narrative) (Details) - Item		12 Months Ended
Segment Reporting (Narrative) (Details) - Item	May 12, 2026	May 31, 2025	Jun. 01, 2024
Disaggregation of Revenue [Line Items]
Number of operating segments	1
Number of reportable segments	1
Walmart [Member] \| Sales Revenue, Net [Member] \| Customer Concentration Risk [Member]
Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage	30.00%	33.60%	34.00%

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References + Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

+ Details

Inventories (Narrative) (Details) pullet_and_breeder in Millions, Layers in Millions	May 30, 2026 Layers pullet_and_breeder	May 31, 2025 Layers pullet_and_breeder
Inventories [Abstract]
Pullets and breeders \| pullet_and_breeder	14.1	11.5
Layers \| Layers	50.0	48.3

Property, Plant and Equipment	12 Months Ended
Property, Plant and Equipment	May 30, 2026
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment	Note 6 - Property, Plant and Equipment Property, plant and equipment consisted of the following (in thousands): May 30, 2026 May 31, 2025 Land and improvements $ 176,243 $ 158,627 Buildings and improvements 835,670 722,552 Machinery and equipment 1,085,789 876,024 Construction -in-progress 207,006 148,621 2,304,708 1,905,824 Less: accumulated depreciation 986,373 879,140 $ 1,318,335 $ 1,026,684 Depreciation expense was $ 116.6 million, $ 91.1 million and $ 77.2 million in the fiscal years ended May 30, 2026, May 31, 2025, and June 1, 2024, respectively.

- Definition

The entire disclosure for property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection.

+ References

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+ Details

Subsequent Events	12 Months Ended
Subsequent Events	May 30, 2026
Subsequent Events [Abstract]
Subsequent Events	Note 17 – Subsequent Events Effective July 10, 2026 , the Company acquired the Eggland’s Best® franchise territory in the Northeast for $ 25 million. The acquisition gives us the exclusive right to distribute and sell Egg-Land’s Best® and Land O’ Lakes® branded eggs in Maine, Massachusetts, New Hampshire, Rhode Island, and select key areas in Vermont, New York, and Connecticut.

Acquisitions (Tables)	12 Months Ended
Acquisitions (Tables)	May 30, 2026
Creighton Brothers, LLC [Member]
Business Acquisition [Line Items]
Allocation of Purchase Price	Cash consideration paid $ 128,784 Recognized amounts of identifiable assets acquired and liabilities assumed Inventories $ 16,504 Prepaid expenses and other current assets 890 Property, plant & equipment 101,883 Intangible assets, net 60 119,337 Accounts payable and other current liabilities (553) Total identifiable net assets 118,784 Goodwill 10,000 $ 128,784
Echo Lake Foods, LLC [Member]
Business Acquisition [Line Items]
Allocation of Purchase Price	Cash consideration paid $ 275,406 Recognized amounts of identifiable assets acquired and liabilities assumed Cash $ 115 Investment securities available -for-sale 14,147 Accounts receivable 31,923 Inventories 21,601 Prepaid expenses and other current assets 3,131 Property, plant & equipment 151,697 Intangible assets 36,800 259,414 Accounts payable and other current liabilities (14,114) Total identifiable net assets 245,300 Goodwill 30,106 $ 275,406
ISE America, Inc. [Member]
Business Acquisition [Line Items]
Allocation of Purchase Price	Cash consideration paid $ 111,521 Recognized amounts of identifiable assets acquired and liabilities assumed Inventories $ 20,547 Property, plant and equipment 90,572 Intangible assets 710 111,829 Accounts payable and other current liabilities (308) Total identifiable net assets $ 111,521

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Label	Element	Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	277,954
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	212,717
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	209,002
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	$ 49.38
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	66.93
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	$ 75.42
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	47,700
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	89,867
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	$ 109.97
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	$ 76.47
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	108,058
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	88,519
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	$ 41.32
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	$ 55.61
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	4,879
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	5,063
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	$ 54.86
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	$ 83.85

Acquisitions (Allocation of Purchase Price) (Details) - USD ($) $ in Thousands				12 Months Ended
	Mar. 01, 2026	Jun. 02, 2025	Jun. 28, 2024	May 30, 2026	Mar. 02, 2026	May 31, 2025	Jun. 01, 2024
Business Acquisition [Line Items]
Goodwill				$ 97,059	$ 97,059	$ 46,776	$ 45,776
Fassio Egg Farms, Inc. [Member]
Business Acquisition [Line Items]
Cash consideration paid				128,784
Inventories				101,883
Property, plant and equipment				60
Other long-term assets				$ 119,337
Creighton Brothers, LLC [Member]
Business Acquisition [Line Items]
Cash consideration paid	$ 128,784
Inventories	16,504
Prepaid expenses and other current assets	890
Property, plant and equipment	101,883
Intangible assets	60
Total assets	119,337
Accounts payable and other current liabilities	(553)
Total identifiable net assets	118,784
Goodwill	10,000
Total identifiable assets and goodwill, net	$ 128,784
Echo Lake Foods, LLC [Member]
Business Acquisition [Line Items]
Cash consideration paid		$ 275,406
Cash		115
Investment securities available-for-sale		14,147
Accounts receivable		31,923
Inventories		21,601
Prepaid expenses and other current assets		3,131
Property, plant and equipment		151,697
Intangible assets		36,800
Total assets		259,414
Accounts payable and other current liabilities		(14,114)
Total identifiable net assets		245,300
Goodwill		30,106
Total identifiable assets and goodwill, net		$ 275,406
ISE America, Inc. [Member]
Business Acquisition [Line Items]
Cash consideration paid			$ 111,521
Inventories			20,547
Property, plant and equipment			90,572
Intangible assets			710
Total assets			111,829
Accounts payable and other current liabilities			(308)
Total identifiable net assets			$ 111,521

Investment in Unconsolidated Entities (Tables)	12 Months Ended
Investment in Unconsolidated Entities (Tables)	May 30, 2026
Investment in Unconsolidated Entities [Abstract]
Schedule of Transactions With Unconsolidated Affiliates	For the fiscal year ended May 30, 2026 May 31, 2025 June 1, 2024 Sales to unconsolidated entities $ 76,130 $ 110,106 $ 100,553 Purchases from unconsolidated entities 75,031 76,167 63,916 Distributions from unconsolidated entities 3,253 4,050 3,000 May 30, 2026 May 31, 2025 Accounts receivable from unconsolidated entities $ 5,224 $ 5,090 Accounts payable to unconsolidated entities 955 613

Segment Reporting (Tables)	12 Months Ended
Segment Reporting (Tables)	May 30, 2026
Segment Reporting [Abstract]
Schedule of Segment Results, Including The Significant Expense Categories Regularly Provided to The CODM	Fiscal year ended May 30, 2026 Conventional Shell Eggs Specialty Shell Eggs Prepared Foods Total Reportable Segments Net sales - external customers $ 1,309,557 $ 1,049,228 $ 244,802 $ 2,603,587 Intersegment sales 38,519 21,230 — 59,749 Total segment sales 1,348,076 1,070,458 244,802 2,663,336 Segment COGS 1,059,179 777,920 185,370 2,022,469 Segment SG&A 72,256 110,994 25,550 208,800 Segment income $ 216,641 $ 181,544 $ 33,882 $ 432,067 Other - segment income 19,044 Unallocated corporate SG&A (108,353) Gain on involuntary conversions 8,819 Loss on disposal of fixed assets (1,391) Operating income 350,186 Other income, net 60,818 Income before income taxes $ 411,004 Fiscal year ended May 31, 2025 Conventional Shell Eggs Specialty Shell Eggs Prepared Foods Total Reportable Segments Net sales - external customers $ 2,703,502 $ 1,126,601 $ 4,050 $ 3,834,153 Intersegment sales 52,357 28,350 — 80,707 Total segment sales 2,755,859 1,154,951 4,050 3,914,860 Segment COGS 1,393,212 717,411 4,511 2,115,134 Segment SG&A 72,644 103,938 1,658 178,240 Segment income $ 1,290,003 $ 333,602 $ (2,119) $ 1,621,486 Other - segment income 42,091 Unallocated corporate SG&A (127,141) Loss on involuntary conversions (156) Gain on disposal of fixed assets 259 Operating income 1,536,539 Other income, net 66,603 Income before income taxes $ 1,603,142 Fiscal year ended June 1, 2024 Conventional Shell Eggs Specialty Shell Eggs Total Reportable Segments Net sales - external customers $ 1,226,903 $ 863,297 $ 2,090,200 Intersegment sales 20,389 10,322 30,711 Total segment sales 1,247,292 873,619 2,120,911 Segment COGS 970,031 648,236 1,618,267 Segment SG&A 63,560 89,188 152,748 Segment income $ 213,701 $ 136,195 $ 349,896 Other - segment income 33,566 Unallocated corporate SG&A (94,516) Gain on involuntary conversions 23,532 Loss on disposal of fixed assets (26) Operating income 312,452 Other income, net 47,519 Income before income taxes $ 359,971 Fiscal Year Ended May 30, 2026 May 31, 2025 June 1, 2024 Total reportable segments $ 2,603,587 $ 3,834,153 $ 2,090,200 Other - segment sales 308,045 427,732 236,243 Total consolidated net sales $ 2,911,632 $ 4,261,885 $ 2,326,443
Disaggregation of Revenue	Fiscal year May 30, 2026 Retail Foodservice Other Total Conventional Shell Egg $ 1,099,245 $ 193,614 $ 16,698 $ 1,309,557 Specialty Shell Egg 952,556 92,343 4,329 1,049,228 Prepared Foods 92,031 104,157 48,614 244,802 Other - segment sales 245,415 60,269 2,361 308,045 $ 2,389,247 $ 450,383 $ 72,002 $ 2,911,632 Fiscal year May 31, 2025 Retail Foodservice Other Total Conventional Shell Egg $ 2,247,913 $ 424,133 $ 31,456 $ 2,703,502 Specialty Shell Egg 1,022,253 98,508 5,840 1,126,601 Prepared Foods 4,050 — — 4,050 Other - segment sales 337,489 89,347 896 427,732 $ 3,611,705 $ 611,988 $ 38,192 $ 4,261,885 Fiscal year June 1, 2024 Retail Foodservice Other Total Conventional Shell Egg $ 1,007,282 $ 210,423 $ 9,198 $ 1,226,903 Specialty Shell Egg 835,826 25,879 1,592 863,297 Other - segment sales 198,943 36,972 328 236,243 $ 2,042,051 $ 273,274 $ 11,118 $ 2,326,443

Net Income per Common Share (Tables)	12 Months Ended
Net Income per Common Share (Tables)	May 30, 2026
Net Income per Common Share [Abstract]
Computation of Basic and Diluted Net Income Per Share	May 30, 2026 May 31, 2025 June 1, 2024 Numerator Net income $ 318,112 $ 1,218,232 $ 276,282 Less: Net income (loss) attributable to noncontrolling interest 1,430 (1,816) (1,606) Net income attributable to Cal -Maine Foods, Inc. $ 316,682 $ 1,220,048 $ 277,888 Denominator Weighted-average common shares outstanding, basic 47,650 48,719 48,717 Effect of dilutive securities of restricted shares 131 172 156 Weighted-average common shares outstanding, diluted 47,781 48,891 48,873 Net income per common share attributable to Cal -Maine Foods, Inc. Basic $ 6.65 $ 25.04 $ 5.70 Diluted $ 6.63 $ 24.95 $ 5.69

Goodwill and Other Intangible Assets (Tables)	12 Months Ended
Goodwill and Other Intangible Assets (Tables)	May 30, 2026
Goodwill and Other Intangible Assets [Abstract]
Schedule Changes in The Carrying Amount of Goodwill	Consolidated Business Conventional Shell Eggs Specialty Shell Eggs Prepared Foods Total Balance June 1, 2024 $ 45,776 $ — $ — $ — $ 45,776 Additions 1,000 — — 1,000 Balance May 31, 2025 46,776 — — — 46,776 Additions 50,283 — — — 50,283 Balance March 2, 2026 97,059 — — — 97,059 Goodwill reallocation (97,059) 13,790 53,163 30,106 — Balance May 30, 2026 $ — $ 13,790 $ 53,163 $ 30,106 $ 97,059
Schedule of Carrying Amounts for Indefinite Lived Intangible Assets	May 30, 2026 May 31, 2025 Brand name $ 14,526 $ — Water rights 2,942 2,942 Total $ 17,468 $ 2,942
Summary of Goodwill and Other Intangible Assets	Franchise rights Customer relationships Other intangibles Total Balance June 1, 2024 $ 11,787 $ 608 $ 659 $ 13,054 Additions — 700 619 1,319 Amortization (1,596) (353) (209) (2,158) Balance May 31, 2025 10,191 955 1,069 12,215 Additions — 40,000 10,212 50,212 Amortization (1,595) (3,555) (1,615) (6,765) Balance May 30, 2026 $ 8,596 $ 37,400 $ 9,666 $ 55,662
Schedule of Other Intangibles	May 30, 2026 May 31, 2025 Gross carrying Accumulated Gross carrying Accumulated amount amortization amount amortization Amortizable intangible assets: Franchise rights $ 27,979 $ (19,383) $ 29,284 $ (19,093) Customer relationships 41,700 (4,300) 1,700 (745) Other intangibles 11,981 (2,315) 1,769 (700) Total $ 81,660 $ (25,998) $ 32,753 $ (20,538)
Schedule of Estimated Amortization of Intangible Assets	For fiscal year Estimated amortization expense 2027 $ 7,735 2028 7,665 2029 7,602 2030 7,512 2031 6,351 Thereafter 18,797 Total $ 55,662

- Definition

Tabular disclosure of goodwill.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details

Acquisitions	12 Months Ended
Acquisitions	May 30, 2026
Acquisitions [Abstract]
Acquisitions	Note 2 – Acquisition s Acquisition of Creighton Brothers, LLC Effective on March 2, 2026 , the Company acquired the shell egg, egg products, and prepared foods assets of Creighton Brothers LLC and including Crystal Lake LLC (“Creighton”). The acquired assets include commercial shell egg production and grading with capacity of approximately 3.2 million layers, including 500 thousand cage-free layers, and 865 thousand pullets, a feed mill, 1,007 acres of land, as well as an egg products and hard-cooked egg processing facility located near Warsaw, Indiana. The following table summarizes the consideration paid for Creighton and the value of assets acquired and liabilities assumed recognized at the acquisition date (in thousands): Cash consideration paid $ 128,784 Recognized amounts of identifiable assets acquired and liabilities assumed Inventories $ 16,504 Prepaid expenses and other current assets 890 Property, plant & equipment 101,883 Intangible assets, net 60 119,337 Accounts payable and other current liabilities (553) Total identifiable net assets 118,784 Goodwill 10,000 $ 128,784 Inventories consisted primarily of flock, feed ingredients, packaging, and egg inventory. Flock inventory was valued at carrying value as management believes that its carrying value best approximates its fair value. Feed ingredients, packaging and egg inventory were all valued based on market prices as of March 2, 2026. Property, plant and equipment were valued utilizing the cost approach and market approach. Machinery and equipment were valued utilizing the cost approach which is based on replacement or reproduction costs of the assets and subtracting any depreciation resulting from physical deterioration and/or functional or economic obsolescence. Land and buildings were valued utilizing the market approach by using a real estate valuation. Goodwill recorded in connection with the Creighton acquisition is primarily attributable to improved efficiencies from integrating the assets of Creighton with the operations of the Company. The Company recognized goodwill of $ 10.0 million as a result of the acquisition. Acquisition of Clean Egg, LLC Effective October 10, 2025 , the Company acquired certain assets of Clean Egg, LLC (“Clean Egg”) based in Langwood, Texas, for approximately $ 23.7 million. The assets acquired included 677 thousand brown cage-free and free-range layers and pullets and other inventory, machinery and equipment related to its contract production and egg processing business. The Company recognized goodwill of $ 10.2 million as a result of the acquisition. The Company accounted for the acquisition as a business combination. Acquisition of Echo Lake Foods, LLC Effective June 2, 2025 , the Company acquired Echo Lake Foods, LLC and certain related companies (collectively “Echo Lake Foods”). Echo Lake Foods is based in Burlington, Wisconsin and produces, packages, markets and distributes prepared foods, including pre-cooked egg patties, omelets, folded and scrambled egg formats, pancakes and waffles. The Company accounted for the acquisition as a business combination. The Company finalized the business combination accounting during the second quarter of fiscal 2026, which resulted in immaterial measurement period adjustments. The following table summarizes the consideration paid for Echo Lake Foods and the value of assets acquired and liabilities assumed recognized at the acquisition date (in thousands): Cash consideration paid $ 275,406 Recognized amounts of identifiable assets acquired and liabilities assumed Cash $ 115 Investment securities available -for-sale 14,147 Accounts receivable 31,923 Inventories 21,601 Prepaid expenses and other current assets 3,131 Property, plant & equipment 151,697 Intangible assets 36,800 259,414 Accounts payable and other current liabilities (14,114) Total identifiable net assets 245,300 Goodwill 30,106 $ 275,406 Cash and accounts receivable acquired along with liabilities assumed were valued at their carrying value which approximates fair value due to the short maturity of these instruments. Inventories consisted primarily of raw materials, supplies and finished goods. Raw materials and supplies were valued at their carrying value as management believes that their carrying value best approximates their fair value. Finished goods were valued using both the bottom -up and top-down approach. The bottom -up approach measures the value of inventory as the value created by the target company (i.e., the costs incurred, profit realized, and tangible and intangible assets utilized) pre-acquisition date. The top-down approach measures the value of inventory as the incremental inventory value created by the market participant buyer as part of its selling effort to an end customer (i.e., the costs that will be incurred, the profit that will be realized, and the tangible and intangible assets that will be utilized) post-acquisition date. Property, plant and equipment were valued utilizing the cost approach and market approach. Machinery and equipment were valued utilizing the cost approach which is based on replacement or reproduction costs of the assets and subtracting any depreciation resulting from physical deterioration and/or functional or economic obsolescence. Land and buildings were valued utilizing the market approach by using a real estate valuation. Intangible assets consisted primarily of customer relationships and a trade name. Customer relationships were valued using the multi-period excess earnings method and the trade name was valued using the relief-from-royalty method. Goodwill represents the excess of the purchase price of the acquired business over the acquisition date fair value of the net assets acquired. Goodwill recorded in connection with the Echo Lake Foods acquisition is primarily attributable to projected synergies from integrating the operations of Echo Lake Foods with the operations of the Company. The Company recognized goodwill of $ 30.1 million as a result of the acquisition, all of which is deductible for tax purposes. The Company recorded transaction costs of $ 594 thousand in the first quarter of fiscal 2026 and $ 6.6 million in the fourth quarter of fiscal 2025, respectively, as a result of the Echo Lake Foods acquisition, within “Selling, general and administrative expenses” in the Company’s Consolidated Statements of Income. Acquisition of Deal-Rite Feeds, Inc. Assets Effective February 3, 2025 , the Company acquired certain assets of Deal-Rite Feeds, Inc. and certain of its affiliates (“Deal-Rite”) for approximately $ 4.7 million. The assets acquired included two feed mills, storage facilities, usable grain, vehicles, related equipment and a retail feed sales business located in North Carolina. The acquired assets will produce and deliver feed to our nearby shell egg production facilities. The Company accounted for the acquisition as a business combination. Property, plant and equipment were valued utilizing the cost approach which is based on replacement or reproduction costs of the assets and subtracting any depreciation resulting from physical deterioration and/or functional or economic obsolescence. Goodwill recorded in connection with the Deal-Rite acquisition is primarily attributable to improved efficiencies from integrating the assets of Deal-Rite with the operations of the Company. The Company recognized goodwill of $ 1.0 million as a result of the acquisition. Acquisition of ISE America, Inc. Assets Effective June 28, 2024 , the Company acquired substantially all of the commercial shell egg production, processing and egg products breaking facilities of ISE America, Inc. and certain of its affiliates (“ISE”). The assets acquired included commercial shell egg production and processing facilities with a capacity at the time of acquisition of approximately 4.7 million laying hens, including 1.0 million cage-free, and 1.2 million pullets, feed mills, approximately 4,000 acres of land, inventories and an egg products breaking facility. The acquired assets also include an extensive customer distribution network across the Northeast and Mid-Atlantic states, and production operations in Maryland, New Jersey, Delaware and South Carolina. The Company accounted for the acquisition as a business combination. The following table summarizes the consideration paid for the ISE assets and the amounts of assets acquired and liabilities assumed recognized at the acquisition date (in thousands): Cash consideration paid $ 111,521 Recognized amounts of identifiable assets acquired and liabilities assumed Inventories $ 20,547 Property, plant and equipment 90,572 Intangible assets 710 111,829 Accounts payable and other current liabilities (308) Total identifiable net assets $ 111,521 Inventories consisted primarily of flock, feed ingredients, packaging, and egg inventory. Flock inventory was valued at carrying value as management believes that its carrying value best approximates its fair value. Feed ingredients, packaging and egg inventory were all valued based on market prices as of June 28, 2024. Property, plant and equipment were valued utilizing the cost approach which is based on replacement or reproduction costs of the assets and subtracting any depreciation resulting from physical deterioration and/or functional or economic obsolescence. Intangible assets consisted primarily of customer lists acquired. Customers lists were valued using the income method approac h. Other Acquisitions and Investments Effective May 12, 2026 , the Company acquired certain assets of Van’s Foods business of Sara Lee Frozen Bakey, LLC (“Van’s”) for approximately $ 24.8 million. The assets acquired included trademarks and trade names, customer networks and inventory and will support our prepared foods segment and deliver greater value across the supply chain. The Company accounted for the acquisition as an asset acquisition. Effective September 9, 2024 , the Company completed a strategic investment with Crepini LLC, establishing a new egg products and prepared foods venture. The new entity, located in Hopewell Junction, New York, operates as Crepini Foods LLC (“Crepini”). The Company capitalized Crepini with approximately $ 6.75 million in cash to purchase additional equipment and other assets and fund working capital in exchange for a 51 % interest in the new venture. Crepini LLC contributed its existing assets and business in exchange for a 49 % interest in the new venture. Effective November 30, 2024 , the Company acquired the remaining 9.23 % interest in our majority-owned subsidiary, MeadowCreek Foods LLC.

- Definition

The entire disclosure for business combination.

+ References

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+ Details

Fair Value Measurements (Tables)	12 Months Ended
Fair Value Measurements (Tables)	May 30, 2026
Fair Value Measurements [Abstract]
Schedule of Assets Measured at Fair Value on A Recurring Basis	May 30, 2026 Level 1 Level 2 Level 3 Balance Investment securities available -for-sale Municipal bonds $ — $ 12,366 $ — $ 12,366 Commercial paper — 42,546 — 42,546 Corporate bonds — 568,395 — 568,395 Certificates of deposits — 3,220 — 3,220 US government and agency obligations — 152,985 — 152,985 Treasury bills — 37,328 — 37,328 Total investment securities available -for-sale measured at fair value $ — $ 816,840 $ — $ 816,840 Liabilities Contingent consideration — — 21,500 21,500 Total liabilities measured at fair value $ — $ — $ 21,500 $ 21,500 May 31, 2025 Level 1 Level 2 Level 3 Balance Investment securities available -for-sale Municipal bonds $ — $ 21,698 $ — $ 21,698 Commercial paper — 90,830 — 90,830 Corporate bonds — 431,508 — 431,508 Certificates of deposits — 5,194 — 5,194 US government and agency obligations — 240,395 — 240,395 Treasury bills — 103,083 — 103,083 Total investment securities available -for-sale measured at fair value $ — $ 892,708 $ — $ 892,708 Liabilities Contingent consideration — — 21,500 21,500 Total liabilities measured at fair value $ — $ — $ 21,500 $ 21,500
Schedule of Beginning and Ending Balances in Fair Value of The Contingent Consideration	Fassio Contingent Consideration Balance, June 4, 2023 $ — Acquisition of Fassio 1,000 Fair value adjustments 5,500 Balance, June 1, 2024 6,500 Fair value adjustments 15,000 Balance, May 31, 2025 21,500 Fair value adjustments — Balance, May 30, 2026 $ 21,500

Summary of Significant Accounting Policies (Narrative) (Details)	12 Months Ended
	May 30, 2026 USD ($) Item	May 31, 2025 USD ($) Item	Jun. 01, 2024 USD ($)
Significant Accounting Policies [Line Items]
Fiscal period duration	364 days	364 days	364 days
Allowance for credit losses	$ 0	$ 0
Reserves for credit losses	$ 719,000	745,000
Flock costs, cost accumulation period	154 days
Insurance reserve, current	$ 11,400,000	8,000,000.0
Restricted cash, current	6,300,000	1,000,000.0
Medical claim, maximum per occurrence	275,000
Medical plan expense	26,600,000	22,800,000	$ 23,000,000.0
Liability recorded for incurred but not reported claims	$ 4,300,000	3,000,000.0
Percentage of net income loss used to compute accrued dividends	33.33%
Shipping and distribution costs	$ 108,000,000.0	$ 93,500,000	$ 72,700,000
Accounts Receivable [Member]
Significant Accounting Policies [Line Items]
Number of major customers \| Item	1	1
Customer Concentration Risk [Member] \| Accounts Receivable [Member] \| One Customer [Member]
Significant Accounting Policies [Line Items]
Concentration risk, percentage	26.20%	28.10%
Minimum [Member]
Significant Accounting Policies [Line Items]
Flock costs, amortization period	1 year
Intangible assets estimated useful life	5 years
Maximum [Member]
Significant Accounting Policies [Line Items]
Cash, FDIC insured amount	$ 250,000
Flock costs, amortization period	2 years
Intangible assets estimated useful life	15 years
Buildings and Improvements [Member] \| Minimum [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment useful life	15 years
Buildings and Improvements [Member] \| Maximum [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment useful life	25 years
Machinery and Equipment [Member] \| Minimum [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment useful life	3 years
Machinery and Equipment [Member] \| Maximum [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment useful life	12 years

Fair Value Measures (Policy)	12 Months Ended
Fair Value Measures (Policy)	May 30, 2026
Fair Value Measurements [Abstract]
Fair Value Measurement	The Company is required to categorize both financial and nonfinancial assets and liabilities based on the following fair value hierarchy. The fair value of an asset is the price at which the asset could be sold in an orderly transaction between unrelated, knowledgeable, and willing parties able to engage in the transaction. A liability’s fair value is defined as the amount that would be paid to transfer the liability to a new obligor in a transaction between such parties, not the amount that would be paid to settle the liability with the creditor. ● Level 1 - Quoted prices in active markets for identical assets or liabilities ● Level 2 - Inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly, including: o Quoted prices for similar assets or liabilities in active markets o Quoted prices for identical or similar assets in non-active markets o Inputs other than quoted prices that are observable for the asset or liability o Inputs derived principally from or corroborated by other observable market data ● Level 3 - Unobservable inputs for the asset or liability that are supported by little or no market activity and are significant to the fair value of the assets or liabilities The disclosure of fair value of certain financial assets and liabilities that are recorded at cost are as follows: Cash and Cash Equivalents, Accounts Receivable, and Accounts Payable The carrying amount approximates fair value due to the short maturity of these instruments.

Net Income per Common Share (Computation of Basic and Diluted Net Income Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	May 30, 2026	May 31, 2025	Jun. 01, 2024
Numerator
Net income	$ 318,112	$ 1,218,232	$ 276,282
Less: Net income (loss) attributable to noncontrolling interest	1,430	(1,816)	(1,606)
Net income attributable to Cal-Maine Foods, Inc.	$ 316,682	$ 1,220,048	$ 277,888
Denominator
Weighted-average common shares outstanding, basic (in shares)	47,650	48,719	48,717
Effect of dilutive securities of restricted shares (in shares)	131	172	156
Weighted-average common shares outstanding, diluted (in shares)	47,781	48,891	48,873
Net income per common share attributable to Cal-Maine Foods, Inc.
Basic (in dollars per share)	$ 6.65	$ 25.04	$ 5.70
Diluted (in dollars per share)	$ 6.63	$ 24.95	$ 5.69

Income Taxes (Tax Expense by Jurisdiction) (Details) - USD ($) $ in Thousands	12 Months Ended
	May 30, 2026	May 31, 2025	Jun. 01, 2024
Current:
Current income tax expense (benefit): Federal	$ 29,749	$ 312,000	$ 83,721
Current income tax expense (benefit): State	(4,220)	61,340	9,640
Current income tax expense (benefit): Total	25,529	373,340	93,361
Deferred:
Deferred income tax expense (benefit): Federal	59,739	12,703	(7,371)
Deferred income tax expense (benefit): State	7,624	(1,133)	(2,301)
Deferred income taxes expense (benefit): Total	67,363	11,570	(9,672)
Income tax expense (benefit)	$ 92,892	$ 384,910	$ 83,689

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
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Reference 4: http://www.xbrl.org/2003/role/exampleRef
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Reference 5: http://www.xbrl.org/2003/role/exampleRef
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Reference 6: http://www.xbrl.org/2003/role/exampleRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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Reference 10: http://www.xbrl.org/2003/role/exampleRef
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Reference 11: http://www.xbrl.org/2003/role/disclosureRef
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Reference 12: http://www.xbrl.org/2003/role/disclosureRef
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Reference 13: http://www.xbrl.org/2003/role/disclosureRef
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Reference 14: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
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Reference 15: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Commitments and Contingencies	12 Months Ended
Commitments and Contingencies	May 30, 2026
Commitments and Contingencies [Abstract]
Commitments and Contingencies	Note 16 - Commitments and Contingencies In re Shell Eggs Litigation Since November 2025, the Company has been named as a defendant in several lawsuits filed in federal courts alleging substantially identical claims, including: (1) the following lawsuits in the Southern District of Indiana: (a) King Kullen Grocery Co., Inc. v. Cal -Maine Foods, Inc., et al., Case No. 1:25 -cv-2274, (b) Nineteenseventynine LLC d/b/a The Breakfast Joynt v. Cal- Maine Foods, Inc., et al., Case No. 1:25 -cv-2301, (c) Taylor Egg Products, Inc. v. Cal -Maine Foods, Inc., et al., Case No. 1:25- cv-2554, (d) Hudson v. Cal -Maine Foods, Inc. et al., Case No. 1:25 -cv-02573, (e) Brandon Huyler v. Cal -Maine Foods, Inc., et al., Case No. 1:26 -cv-00135, and (f) Gloria Emery, Carol Goldberg, and Casey Whalen v. Cal -Maine Foods, Inc., et al., Case No. 1:26-cv-00135; (2) the following lawsuits in the Northern District of Illinois: (a) Birchmans Parisian, LLC (d/b/a Lisciandro's Restaurant) v. Cal -Maine Foods, Inc., et al., Case No. 1:25 -cv-14030, (b) Phil-N-Cindy's Lunch, Inc. v. Cal -Maine Foods, Inc., et al., Case No. 1:25 -cv-14082, (c) Yell -O-Glow Corporation v. Cal -Maine Foods, Inc., et al., Case No. 1:25 -cv-15084, and (d) Tariq Habash, Delia Govea, Andrew Phillips, and Catalina Torres v. Urner Barry Publications, Inc., Cal -Maine Foods, Inc., et al., Case No. 1:25 -cv-14112; (3) the following lawsuits in the Western District of Wisconsin: (a) Matthew Edlin v. Cal -Maine Foods, Inc., et al., Case No. 3:25 -cv-946, and (b) India Price, Lakia Session, and Karen Solomon v. Cal -Maine Foods, Inc., et al., Case No. 3:25 -cv-1016; and (4) a lawsuit in the Western District of Missouri: Ryan v. Cal -Maine Foods, Inc., et al., Case No. 4:25-cv-00999. The lawsuits generally allege that the Company, along with other egg producers and industry associations, conspired to artificially inflate the prices of conventional shell eggs nationwide, primarily through manipulation of industry price benchmarks (such as the Urner Barry Egg Index and Eggs Clearinghouse, Inc. spot market), coordinated reporting and supply restrictions, particularly during the calendar year 2022 highly pathogenic avian influenza (“HPAI”) outbreak. In each case, the plaintiff seeks certification of a putative class of either direct or indirect purchasers, monetary damages, injunctive relief, attorneys’ fees, and, in some cases, restitution under Section 1 of the Sherman Act, 15 U.S.C. § 1 (the “Sherman Act”) and various state antitrust and consumer protection statutes. On February 10, 2026, the Joint Panel on Multidistrict Litigation issued a Transfer Order, consolidating the above actions and transferring them to the Western District of Wisconsin for pre-trial proceedings. An initial judicial management conference took place on May 8, 2026, where the court entered an initial case management order, setting forth deadlines for the consolidated complaints and initial briefing to be filed. No discovery has taken place in any of the actions. The Company disputes plaintiffs’ allegations in each of these actions and intends to vigorously defend itself in these actions. Civil Investigative Demand In March 2025, the Company received a Civil Investigative Demand (“CID”) from the U.S. Department of Justice (“DOJ”) in connection with an antitrust investigation to determine whether there was a violation of the antitrust laws through alleged anticompetitive conduct by and among egg producers. In August 2025, the Company received a subpoena from the State of New York requesting information and documents related to its investigation of anticompetitive conduct and high egg prices in the egg industry, and in March 2026, the Company received a similar subpoena from the State of Washington related to its investigation of anticompetitive conduct and high egg prices in the egg industry. Additionally, various states’ attorneys general sought to join the DOJ’s investigation or requested access to the confidential disclosures by the Company to the DOJ. On or about June 25, 2026, the Company entered into an agreement with the DOJ and 17 states’ attorneys general to resolve the investigation, subject to applicable court approvals and procedures. The Company denied all wrongdoing or violations of law and no fines or penalties were assessed against the Company. In connection with the agreement, the Company agreed to implement certain antitrust compliance and reporting measures, to donate 30 million eggs to food banks and non-profits, and to pay $ 1.5 million to the settling states to resolve the matter. The State of Washington did not join in this settlement and the Company continues to comply with the State of Washington’s subpoena and cooperate with its investigations. Management cannot predict the eventual scope, duration or outcome of the State of Washington’s investigation and is unable to estimate the amount or range of potential losses, if any, at this time. Kraft Foods Global, Inc. et al. v. United Egg Producers, Inc. et al. On September 25, 2008, the Company was named as one of several defendants in numerous antitrust cases involving the U.S. shell egg industry. The Company settled all of these cases, except for the claims of certain plaintiffs who sought substantia l damages allegedly arising from the purchase of egg products (as opposed to shell eggs). These remaining plaintiffs are Kraft Food Global, Inc., General Mills, Inc., and Nestle USA, Inc. (the “Egg Products Plaintiffs”) and, until a subsequent settlement was reached as described below, The Kellogg Company. On September 13, 2019, the case with the Egg Products Plaintiffs was remanded from a multi -district litigation proceeding in the United States District Court for the Eastern District of Pennsylvania, In re Processed Egg Products Antitrust Litigation, MDL No. 2002, to the United States District Court for the Northern District of Illinois, Kraft Foods Global, Inc. et al. v. United Egg Producers, Inc. et al., Case No. 1:11 -cv-8808, for trial. The Egg Products Plaintiffs alleged that the Company and other defendants violated Section 1 of the Sherman Act, by agreeing to limit the production of eggs and thereby illegally to raise the prices that plaintiffs paid for processed egg products. In particular, the Egg Products Plaintiffs attacked certain features of the United Egg Producers animal -welfare guidelines and program used by the Company and many other egg producers. On October 24, 2019, the Company entered into a confidential settlement agreement with The Kellogg Company dismissing all claims against the Company for an amount that did not have a material impact on the Company’s financial condition or results of operations. On November 11, 2019, a stipulation for dismissal was filed with the court, and on March 28, 2022, the court dismissed the Company with prejudice. The trial of this case began on October 17, 2023. On December 1, 2023, the jury returned a decision awarding the Egg Products Plaintiffs $ 17.8 million in damages. On November 6, 2024, the court entered a final judgement against the Company and other defendants, jointly and severally, totaling $ 43.6 million after trebling. On December 4, 2024, the Company filed a renewed motion for judgment as a matter of law or for a new trial, and a motion to alter or amend the judgment. On December 13, 2024, the court granted defendants’ November 20, 2024 motion to stay enforcement of the judgment and entered an agreed order requiring the defendants to post security during post-judgment proceedings and appeal, and stayed proceedings to enforce the judgment until the disposition of the post-judgment motions and ultimate appeals. On December 17, 2024, the Company posted a bond in the approximate amount of $ 23.9 million, representing a portion of the total bond required to preserve the right to appeal the trial court’s decision. Another defendant posted a bond for the remaining amount. On November 19, 2025, the plaintiffs filed a motion to lift stay of proceedings on attorney’s fees and costs, and on December 5, 2025, the defendants filed their response in opposition to such motion. The court has not ruled on this motion. The Company intends to continue to vigorously defend the claims asserted by the Egg Products Plaintiffs. If the jury’s decision is ultimately upheld, the Company would be jointly and severally liable with other defendants for treble damages, or $ 43.6 million, subject to credit for certain settlements with previous settling defendants, plus the Egg Product Plaintiffs’ reasonable attorneys’ fees. During our second quarter of fiscal 2024, we recorded an accrued expense of $ 19.6 million in selling, general and administrative expenses in the Company’s Condensed Consolidated Statements of Income and classified as other noncurrent liabilities in the Company’s Condensed Consolidated Balance Sheets. Although less than the bond posted by the Company, the accrual represents our estimate of the Company’s proportional share of the reasonably possible ultimate damages award, excluding the Egg Product Plaintiffs’ attorneys’ fees that we believe would be approximately offset by the credits noted above. We have entered into a judgment allocation and joint defense agreement with the other defendants remaining in the case. Our accrual may change in the future to the extent we are successful in further proceedings in the litigation. State of Oklahoma Watershed Pollution Litigation On June 18, 2005, the State of Oklahoma filed suit, in the United States District Court for the Northern District of Oklahoma, against Cal -Maine Foods, Inc. and Tyson Foods, Inc., Cobb -Vantress, Inc., Cargill, Inc., George’s, Inc., Peterson Farms, Inc. and Simmons Foods, Inc., and certain of their affiliates. The State of Oklahoma claims that through the disposal of chicken litter the defendants polluted the Illinois River Watershed. This watershed provides water to eastern Oklahoma. The complaint sought injunctive relief and monetary damages, but the claim for monetary damages was dismissed by the court. Cal -Maine Foods, Inc. discontinued operations in the watershed in or around 2005. Since the litigation began, Cal-Maine Foods, Inc. purchased 100 % of the membership interests of Benton County Foods, LLC, which is an ongoing commercial shell egg operation within the Illinois River Watershed. Benton County Foods, LLC is not a defendant in the litigation. We also have a number of small contract producers that operate in the area. The non-jury trial in the case began in September 2009 and concluded in February 2010. On January 18, 2023, the court entered findings of fact and conclusions of law in favor of the State of Oklahoma. The court found the defendants jointly and severally liable for state law nuisance, federal common law nuisance, and state law trespass. The court also found the producers vicariously liable for the actions of their contract producers. On June 12, 2023, the court ordered the parties to mediate, but the mediation was unsuccessful. On June 26, 2024, the district court denied defendants’ motion to dismiss the case. On September 13, 2024, a status hearing was held and the court scheduled an evidentiary hearing for December 3, 2024, to determine whether any legal remedy is available based on the now 15-year-old record and changed circumstances of the Illinois River watershed. On December 9, 2025, the court entered a final judgment imposing approximately $ 420,000 in total penalties for all defendants and awarding certain non -monetary remedies, including injunctive relief. Pursuant to the final judgment, the Company is to pay approximately $ 70,000 in penalties. The judgment also entitles the State of Oklahoma to an award of attorneys’ fees and costs in an amount to be determined at a later date. The injunctive relief provides for, among other things, a special master to oversee an investigation, develop a remediation plan subject to court approval, and provide ongoing monitoring of remediation projects, the costs of which will be paid jointly and severally by the defendants. The defendants are required to fund $ 10 million within 5 days of appointment of the special master, and ongoing funding requirements of $ 5 million any time the fund is below $ 5 million. This funding obligation is expected to continue for the 30 years term. The defendants are in discussions of a potential expense sharing agreement; however, the Company does not currently expect to have a material share of the funding. The injunctive relief also includes certain annual reporting requirements and certain requirements on future operations within the Illinois River Watershed, including relating to removal of litter, storage, transportation, disposal and future land applications. On January 2, 2026, the Company filed its notice of appeal to the United States Court of Appeals for the Tenth Circuit. On January 16, 2026, the district court stayed the monetary portions of the judgement but declined to stay the injunctive portions. Effective July 10, 2026, the Company and all other defendants entered into a settlement agreement with the State of Oklahoma that provides for the payment of funds by the defendants into an environmental relief fund, certain restrictions on the application of chicken litter in the IRW and certain reporting and reporting measures. The agreement remains subject to applicable court approvals and procedures and is not expected to have a material impact on the Company’s financial condition or results of operations . Other Matters In addition to the above, the Company is involved in various other claims and litigation incidental to its business. Although the outcome of these matters cannot be determined with certainty, management, upon the advice of counsel, is of the opinion that the final outcome should not have a material effect on the Company’s consolidated results of operations or financial position.

Income Taxes (Tables)	12 Months Ended
Income Taxes (Tables)	May 30, 2026
Income Taxes [Abstract]
Tax Expense by Jurisdiction	Fiscal year ended May 30, 2026 May 31, 2025 June 1, 2024 Current: Federal $ 29,749 $ 312,000 $ 83,721 State (4,220) 61,340 9,640 25,529 373,340 93,361 Deferred: Federal 59,739 12,703 (7,371) State 7,624 (1,133) (2,301) 67,363 11,570 (9,672) Total income tax provision $ 92,892 $ 384,910 $ 83,689
Deferred Tax Assets and Liabilities	May 30, 2026 May 31, 2025 Deferred tax assets: Accrued expenses $ 3,985 $ 3,620 State operating loss carryforwards 2 6 Other comprehensive income 913 770 Right of use - asset 3,334 234 Other 12,969 13,239 Total deferred tax assets 21,203 17,869 Deferred tax liabilities: Property, plant and equipment $ (180,377) $ (128,789) Inventories (49,478) (35,041) Investment in affiliates (1,618) (2,205) Right of use - liability (3,358) (240) Other (8,244) (6,245) Total deferred tax liabilities (243,075) (172,520) Net deferred tax liabilities $ (221,872) $ (154,651)
Reconciliation of Effective Tax Expense	Fiscal year end May 30, 2026 Amount Percent U.S. federal statutory tax rate $ 86,226 21.0 % State and local income taxes* 4,290 1.1 Tax credits (251) (0.1) Nontaxable or nondeductible items 2,627 0.7 Provision for income taxes $ 92,892 22.7 % *State taxes in Georgia, Florida, Mississippi, and Texas made up the majority (greater than 50%) of the tax effect in this category. Fiscal year end May 31, 2025 June 1, 2024 Statutory federal income tax $ 337,042 $ 75,931 State income taxes, net 47,169 5,798 Other, net 699 1,960 $ 384,910 $ 83,689
Summary of Income Taxes Paid (Net of Refunds) by Jurisdiction	Fiscal year end May 30, 2026 Federal $ 89,583 State 30,344 Income tax payments $ 119,927

Stock-Based Compensation (Summary of Equity Award Activity) (Details) - Performance Based Shares [Member]	12 Months Ended
	May 30, 2026 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Outstanding, Beginning Balance (in shares) \| shares	0
Number of Shares, Granted (in shares) \| shares	9,260
Number of Shares, Outstanding, Ending Balance (in shares) \| shares	9,260
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Weighted Average Grant Date Fair Value, Outstanding, Beginning Balance (in dollars per share) \| $ / shares	$ 0
Weighted Average Grant Date Fair Value, Granted (in dollars per share) \| $ / shares	101.95
Weighted Average Grant Date Fair Value, Outstanding, Ending Balance (in dollars per share) \| $ / shares	$ 101.95

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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+ Details

Inventories (Schedule of Cost of Sales Amortization and Mortality) (Details) - USD ($) $ in Thousands	12 Months Ended
	May 30, 2026	May 31, 2025	Jun. 01, 2024
Inventories [Abstract]
Amortization	$ 205,041	$ 196,248	$ 198,298
Mortality	11,170	10,619	10,640
Total flock costs charged to cost of sales	$ 216,211	$ 206,867	$ 208,938

Employee Benefit Plans	12 Months Ended
Employee Benefit Plans	May 30, 2026
Employee Benefit Plans [Abstract]
Employee Benefit Plans	Note 9 - Employee Benefit Plans KSOP The Company maintains a KSOP covering substantially all employees (the “Plan”). The Company contributes 3 % of eligible compensation, plus discretionary amounts, with contributions vesting immediately. Cash contributions to the Plan were $ 7.0 million, $ 5.5 million and $ 4.3 million in fiscal 2026, 2025, and 2024, respectively. The Plan purchases Company stock in the open market using Company contributions and dividends. Deferred Compensation and Other Postretirement Plans The Company maintains several deferred compensation and other postretirement plans for certain officers and a select group of management and highly compensated employees of the Company. The liability recorded related to these agreements was $ 6.7 million and $ 4.1 million at May 30, 2026 and May 31, 2025, respectively and is classified within “Accrued expenses and other current liabilities” and “Other liabilities” in the Company’s Consolidated Balance Sheets. The related expense for these plans was $ 1.1 million, $ 1.5 million and $ 1.2 million in fiscal 2026, 2025 and 2024, respectively.

Investment Securities Available-for-Sale (Schedule of Investment Securities Available-for-Sale) (Details) - USD ($) $ in Thousands	May 30, 2026	May 31, 2025
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	$ 817,793	$ 892,927
Unrealized Gains, Current	4	133
Unrealized Losses, Current	957	352
Estimated Fair Value, Current	816,840	892,708
Municipal Bonds [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	12,362	21,695
Unrealized Gains, Current	4	3
Unrealized Losses, Current	0	0
Estimated Fair Value, Current	12,366	21,698
Commercial Paper [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	42,562	90,880
Unrealized Gains, Current	0	0
Unrealized Losses, Current	16	50
Estimated Fair Value, Current	42,546	90,830
Corporate Bonds [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	569,137	431,378
Unrealized Gains, Current	0	130
Unrealized Losses, Current	742	0
Estimated Fair Value, Current	568,395	431,508
Certificates of Deposits [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	3,226	5,200
Unrealized Gains, Current	0	0
Unrealized Losses, Current	6	6
Estimated Fair Value, Current	3,220	5,194
US Government and Agency Obligations [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	153,172	240,655
Unrealized Gains, Current	0	0
Unrealized Losses, Current	187	260
Estimated Fair Value, Current	152,985	240,395
Treasury Bills [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	37,334	103,119
Unrealized Gains, Current	0	0
Unrealized Losses, Current	6	36
Estimated Fair Value, Current	$ 37,328	$ 103,083

Employee Benefit Plans (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	May 30, 2026	May 31, 2025	Jun. 01, 2024
Defined Benefit Plan Disclosure [Line Items]
Payments made under plan	$ 1.1	$ 1.5	$ 1.2
Liability related to deferred compensation agreements	$ 6.7	4.1
KSOP [Member]
Defined Benefit Plan Disclosure [Line Items]
Company matching contribution percentage	3.00%
Company cash contribution	$ 7.0	$ 5.5	$ 4.3

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Investment in Unconsolidated Entities (Schedule of Transactions With Unconsolidated Affiliates) (Details) - USD ($) $ in Thousands	12 Months Ended
	May 30, 2026	May 31, 2025	Jun. 01, 2024
Related Party Transaction [Line Items]
Sales to unconsolidated entities	$ 2,911,632	$ 4,261,885	$ 2,326,443
Unconsolidated Affiliates [Member] \| Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Related Party Transaction [Line Items]
Sales to unconsolidated entities	76,130	110,106	100,553
Purchases from unconsolidated entities	75,031	76,167	63,916
Distributions from unconsolidated entities	3,253	4,050	$ 3,000
Accounts receivable from unconsolidated entities	5,224	5,090
Accounts payable to unconsolidated entities	$ 955	$ 613

- Definition

Amount of liabilities classified as other.

+ References

+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

+ Details

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Goodwill and Other Intangible Assets (Schedule of Other Intangibles) (Details) - USD ($) $ in Thousands	May 30, 2026	May 31, 2025
Schedule of Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, indefinite-lived	$ 17,468	$ 2,942
Gross carrying amount	81,660	32,753
Accumulated amortization	(25,998)	(20,538)
Franchise Rights [Member]
Schedule of Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite-lived	27,979	29,284
Accumulated amortization	(19,383)	(19,093)
Customer Relationships [Member]
Schedule of Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite-lived	41,700	1,700
Accumulated amortization	(4,300)	(745)
Other Intangibles [Member]
Schedule of Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount	11,981	1,769
Accumulated amortization	$ (2,315)	$ (700)

Property, Plant and Equipment (Schedule of Property, Plant and Equipment) (Details) - USD ($) $ in Thousands	May 30, 2026	May 31, 2025
Property, Plant and Equipment [Line Items]
Property, plant and equipment gross	$ 2,304,708	$ 1,905,824
Less: accumulated depreciation	986,373	879,140
Property, plant and equipment, less accumulated depreciation	1,318,335	1,026,684
Land and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment gross	176,243	158,627
Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment gross	835,670	722,552
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment gross	1,085,789	876,024
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment gross	$ 207,006	$ 148,621

- Definition

Amount of accumulated depreciation, depletion, and amortization of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection.

+ References + Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection.

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Goodwill and Other Intangible Assets	12 Months Ended
Goodwill and Other Intangible Assets	May 30, 2026
Goodwill and Other Intangible Assets [Abstract]
Goodwill and Other Intangible Assets	Note 8 - Goodwill and Other Intangible Assets Goodwill During the fourth quarter of fiscal 2026, the Company transitioned into its new reporting structure which resulted in changes to the Company’s operating segments and reporting units. The goodwill of the Company’s historical reporting units were reallocat ed to the new reporting units on a relative fair value basis as of the date of the reorganization. The Company assessed goodwill for impairment immediately before and immediately after the reorganization and concluded that there was no goodwill impairment. For more information regarding the changes to our reportable segments in the fourth quarter of fiscal 2026, refer to Note 15 – Segment Reporting . The changes in the carrying amount of goodwill were (in thousands): Consolidated Business Conventional Shell Eggs Specialty Shell Eggs Prepared Foods Total Balance June 1, 2024 $ 45,776 $ — $ — $ — $ 45,776 Additions 1,000 — — 1,000 Balance May 31, 2025 46,776 — — — 46,776 Additions 50,283 — — — 50,283 Balance March 2, 2026 97,059 — — — 97,059 Goodwill reallocation (97,059) 13,790 53,163 30,106 — Balance May 30, 2026 $ — $ 13,790 $ 53,163 $ 30,106 $ 97,059 Intangible Assets The carrying amounts for indefinite-lived intangibles consisted of the following (in thousands): May 30, 2026 May 31, 2025 Brand name $ 14,526 $ — Water rights 2,942 2,942 Total $ 17,468 $ 2,942 During fiscal 2026, the Company purchased the Van’s brand name as part of the asset acquisition. This intangible asset is classified as an indefinite-lived brand name. Intangible assets, net, subject to amortization, consisted of the following (in thousands): Franchise rights Customer relationships Other intangibles Total Balance June 1, 2024 $ 11,787 $ 608 $ 659 $ 13,054 Additions — 700 619 1,319 Amortization (1,596) (353) (209) (2,158) Balance May 31, 2025 10,191 955 1,069 12,215 Additions — 40,000 10,212 50,212 Amortization (1,595) (3,555) (1,615) (6,765) Balance May 30, 2026 $ 8,596 $ 37,400 $ 9,666 $ 55,662 For intangible assets subject to amortization, the gross carrying amounts and accumulated amortization are as follows (in thousands): May 30, 2026 May 31, 2025 Gross carrying Accumulated Gross carrying Accumulated amount amortization amount amortization Amortizable intangible assets: Franchise rights $ 27,979 $ (19,383) $ 29,284 $ (19,093) Customer relationships 41,700 (4,300) 1,700 (745) Other intangibles 11,981 (2,315) 1,769 (700) Total $ 81,660 $ (25,998) $ 32,753 $ (20,538) No significant residual value is estimated for these intangible assets. Aggregate amortization expense for fiscal years 2026, 2025, and 2024 totaled $ 6.8 million, $ 2.2 million and $ 2.2 million, respectively. Amortization expenses is classified in “Selling, general and administrative expenses ” in the accompanying Consolidated Statements of Income. The following table presents the total estimated amortization expense of intangible assets for the five succeeding years (in thousands): For fiscal year Estimated amortization expense 2027 $ 7,735 2028 7,665 2029 7,602 2030 7,512 2031 6,351 Thereafter 18,797 Total $ 55,662

Document and Entity Information - USD ($)	12 Months Ended
Document and Entity Information - USD ($)	May 30, 2026	Jul. 22, 2026	Nov. 28, 2025
Statement [Line Items]
Document Type	10-K
Document Annual Report	true
Document Period End Date	May 30, 2026
Document Transition Report	false
Entity File Number	001-38695
Entity Registrant Name	CAL-MAINE FOODS, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	64-0500378
Entity Address, Address Line One	1052 Highland Colony Pkwy
Entity Address Address Line 2	Suite 200
Entity Address, City or Town	Ridgeland
Entity Address, State or Province	MS
Entity Address, Postal Zip Code	39157
City Area Code	601
Local Phone Number	948-6813
Title of 12(b) Security	Common Stock, $0.01 par value per share
Trading Symbol	CALM
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Document Fin Stmt Error Correction Flag	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 3,825,418,582
Entity Common Stock, Shares Outstanding		46,917,080
Documents Incorporated by Reference	DOCUMENTS INCORPORATED BY REFERENCE The information called for by Part III of this Annual Report on Form 10-K is incorporated herein by reference from the registrant’s Definitive Proxy Statement for its 2026 annual meeting of stockholders which will be filed pursuant to Regulation 14A not later than 120 days after the end of the fiscal year covered by this Annual Report on Form 10-K.
Current Fiscal Year End Date	--05-30
Amendment Flag	false
Document Fiscal Year Focus	2026
Document Fiscal Period Focus	FY
Entity Central Index Key	0000016160
Auditor Name	Frost, PLLC
Auditor Firm Id	5348
Auditor Location	Little Rock, Arkansas

Inventories (Schedule of Inventories) (Details) - USD ($) $ in Thousands	May 30, 2026	May 31, 2025
Inventories [Abstract]
Flocks, net of amortization	$ 192,673	$ 166,507
Feed and supplies	84,769	65,192
Raw materials and finished goods inventory	97,823	63,971
Total inventories	$ 375,265	$ 295,670

Equity	12 Months Ended
Equity	May 30, 2026
Equity [Abstract]
Equity	Note 11 - Equity On April 14, 2025, all 4.8 million shares of Class A Common Stock were converted into Common Stock. Upon the conversion of the Class A Stock, the Company was no longer a controlled company under the rules of The Nasdaq Stock Market. On February 25, 2025, the Board approved a $ 500 million share repurchase program. The share repurchase program authorizes the Company, in management’s discretion, to repurchase Common Stock from time to time for an aggregate purchase price up to $ 500 million (exclusive of any fees, taxes, commissions or other expenses related to such repurchases), subject to market conditions and other factors. The actual timing, number and value of shares repurchased under the program will be determined by management in its discretion and will depend on a number of factors, including, but not limited to, the market price of the Common Stock and general market and economic conditions. The Company repurchased 1,571,950 and 551,876 shares during fiscal 2026 and 2025, respectively, under the share repurchase program. As of May 30, 2026, the Company had remaining authorization to purchase up to $ 320.7 million under the repurchase program. Authorized preferred stock consists of 10,000,000 shares, with a par value of $ 0.01 , of which no shares were issued and outstanding as of May 30, 2026 and May 31, 2025.

- Definition

The entire disclosure for equity.

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+ Details

Property, Plant and Equipment (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	May 30, 2026	May 31, 2025	Jun. 01, 2024
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 116.6	$ 91.1	$ 77.2

Segment Reporting	12 Months Ended
Segment Reporting	May 30, 2026
Segment Reporting [Abstract]
Segment Reporting	Note 15 – Segment Reporting The Company previously managed its business as one operating and reportable segment. Effective in the fourth quarter of 2026, the Company revised its internal reporting to change the manner in which its business is managed, which reflects a focus on managing operations based on the Company’s product categories rather than on a consolidated basis. As a result, the Company identified three reportable segments: Conventional Shell Eggs, Specialty Shell Eggs, and Prepared Foods. The Company’s remaining operations , which include co-pack shell eggs, egg products, hard -cooked eggs and other business activities, are not reportable segments, as defined by the applicable accounting standard . All prior fiscal year periods have been recast to reflect the new reportable segments . Conventional Shell Eggs The Conventional Shell Eggs segment consists primarily of the production, grading, packaging, marketing and distribution of shell eggs sold as conventional shell eggs, which includes our brands Sunups® and Sunny Meadow®. Specialty Shell Eggs The Specialty Shell Eggs segment consists primarily of the production, grading, packaging, marketing and distribution of shell eggs sold as cage -free, nutritionally enhanced, organic, brown, pasture -raised and free-range eggs. This segment includes our brands Farmhouse Eggs ® and 4Grain® as well as branded products from our membership of Eggland’s Best, Inc. cooperative which includes Egg-Land’s Best® and Land O’ Lakes®. Prepared Foods The Prepared Foods segment consists primarily of the production , packaging, marketing and distribution of prepared foods offerings such as pre-cooked egg patties, omelets, folded and scrambled egg formats , pancakes, waffles, and specialty wraps. This segment includes our brands Van ’s® and Crepini®. The Company’s operating segment s are determined on the basis of our organizational structure and information that is regularly reviewed by our Chief Operating Decision Maker (“CODM”). The Company’s CODM is Sherman Miller, President and Chief Executive Officer. Segment income is utilized during our forecasting process to assess profitability, strategic initiatives and capital investments. The CODM primarily compares actual performance of segment sales and segment income to prior period results and periodic forecasts to assist with assessing performance and deciding how to allocate resources. The accounting policies of the segments are generally the same as those presented in Note 1 - Summary of Significant Accounting Policies . Segment SG&A represents direct costs associated with each segment for mar keting, delivery and employee costs. Other – segment income represents the total segment income from other operating segments such as co-pack shell egg, egg products, hard -cooked eggs and other business activities that do not individually meet the quantitative thresholds for separate disclosure. Unallocated Corporate SG&A represents overhead such as corporate payroll related expenses, legal and professional fees, amortization and other expenses that are not used to measure segment income and is managed at the corporate office. Intersegment sales represent sales between segments as part of our vertical integration. Intersegment sales from the Conventional and Specialty Shell Egg segments are primarily sales related to our non-reportable egg products or hard -cooked segments. Conventional and Specialty Shell Egg intersegment sales are transferred at discounted fixed rates to account for undergrad es and yield loss, market rates, or at production costs. The Company does not report total assets by segment as operations are highly integrated, and assets are shared amongst segments. The CODM does not assess performance or allocate resources based on segment assets. Segment results, including the significant expense categories regularly provided to the CODM, are provided below (in thousand s): Fiscal year ended May 30, 2026 Conventional Shell Eggs Specialty Shell Eggs Prepared Foods Total Reportable Segments Net sales - external customers $ 1,309,557 $ 1,049,228 $ 244,802 $ 2,603,587 Intersegment sales 38,519 21,230 — 59,749 Total segment sales 1,348,076 1,070,458 244,802 2,663,336 Segment COGS 1,059,179 777,920 185,370 2,022,469 Segment SG&A 72,256 110,994 25,550 208,800 Segment income $ 216,641 $ 181,544 $ 33,882 $ 432,067 Other - segment income 19,044 Unallocated corporate SG&A (108,353) Gain on involuntary conversions 8,819 Loss on disposal of fixed assets (1,391) Operating income 350,186 Other income, net 60,818 Income before income taxes $ 411,004 Fiscal year ended May 31, 2025 Conventional Shell Eggs Specialty Shell Eggs Prepared Foods Total Reportable Segments Net sales - external customers $ 2,703,502 $ 1,126,601 $ 4,050 $ 3,834,153 Intersegment sales 52,357 28,350 — 80,707 Total segment sales 2,755,859 1,154,951 4,050 3,914,860 Segment COGS 1,393,212 717,411 4,511 2,115,134 Segment SG&A 72,644 103,938 1,658 178,240 Segment income $ 1,290,003 $ 333,602 $ (2,119) $ 1,621,486 Other - segment income 42,091 Unallocated corporate SG&A (127,141) Loss on involuntary conversions (156) Gain on disposal of fixed assets 259 Operating income 1,536,539 Other income, net 66,603 Income before income taxes $ 1,603,142 Fiscal year ended June 1, 2024 Conventional Shell Eggs Specialty Shell Eggs Total Reportable Segments Net sales - external customers $ 1,226,903 $ 863,297 $ 2,090,200 Intersegment sales 20,389 10,322 30,711 Total segment sales 1,247,292 873,619 2,120,911 Segment COGS 970,031 648,236 1,618,267 Segment SG&A 63,560 89,188 152,748 Segment income $ 213,701 $ 136,195 $ 349,896 Other - segment income 33,566 Unallocated corporate SG&A (94,516) Gain on involuntary conversions 23,532 Loss on disposal of fixed assets (26) Operating income 312,452 Other income, net 47,519 Income before income taxes $ 359,971 The following table shows the reconciliation of net sales to consolidated results (in thousands): Fiscal Year Ended May 30, 2026 May 31, 2025 June 1, 2024 Total reportable segments $ 2,603,587 $ 3,834,153 $ 2,090,200 Other - segment sales 308,045 427,732 236,243 Total consolidated net sales $ 2,911,632 $ 4,261,885 $ 2,326,443 Other – segment sales represent sales from our non-reportable segments which includes co-pack shell egg sales, egg product sales, hard -cooked eggs and other business activities. Revenue primarily derives from sales throughout the U.S. The following table provides revenue disaggregated by segment and by sales channel (in thousands): Fiscal year May 30, 2026 Retail Foodservice Other Total Conventional Shell Egg $ 1,099,245 $ 193,614 $ 16,698 $ 1,309,557 Specialty Shell Egg 952,556 92,343 4,329 1,049,228 Prepared Foods 92,031 104,157 48,614 244,802 Other - segment sales 245,415 60,269 2,361 308,045 $ 2,389,247 $ 450,383 $ 72,002 $ 2,911,632 Fiscal year May 31, 2025 Retail Foodservice Other Total Conventional Shell Egg $ 2,247,913 $ 424,133 $ 31,456 $ 2,703,502 Specialty Shell Egg 1,022,253 98,508 5,840 1,126,601 Prepared Foods 4,050 — — 4,050 Other - segment sales 337,489 89,347 896 427,732 $ 3,611,705 $ 611,988 $ 38,192 $ 4,261,885 Fiscal year June 1, 2024 Retail Foodservice Other Total Conventional Shell Egg $ 1,007,282 $ 210,423 $ 9,198 $ 1,226,903 Specialty Shell Egg 835,826 25,879 1,592 863,297 Other - segment sales 198,943 36,972 328 236,243 $ 2,042,051 $ 273,274 $ 11,118 $ 2,326,443 Retail customers include primarily national and regional grocery store chains, club stores, and companies servicing independent supermarkets in the U.S. Foodservice customers include primarily companies that sell food products and related items to restaura nts, healthcare and education facilities and hotels. Our largest customer, Walmart Inc. (including Sam’s Club) accounted for 30.0 %, 33.6 % and 34.0 % of net sales dollars for fiscal 2026, 2025, and 2024, respectively.

- Definition

The entire disclosure for segment reporting.

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+ Details

Acquisitions (Narrative) (Details) Pellets in Thousands, Layers in Thousands, $ in Thousands, Pullet in Millions, Cage-Free_Hens in Millions										3 Months Ended		9 Months Ended	12 Months Ended
	May 12, 2026 USD ($)	Mar. 02, 2026 a Layers Pellets	Mar. 01, 2026 USD ($)	Oct. 10, 2025 USD ($) Layers	Jun. 02, 2025 USD ($)	Feb. 03, 2025 USD ($) Item	Nov. 30, 2024	Sep. 09, 2024 USD ($)	Jun. 28, 2024 USD ($) a Layers Cage-Free_Hens Pullet	Aug. 30, 2025 USD ($)	May 31, 2025 USD ($)	Mar. 02, 2026 USD ($) a Layers	May 30, 2026 USD ($)	May 31, 2025 USD ($)	Jun. 01, 2024 USD ($)
Business Acquisition [Line Items]
Payments to acquire interest in joint venture													$ 0	$ 0	$ 363
Goodwill recognized at the time of acquisition												$ 50,283		$ 1,000
Creighton Brothers, LLC [Member]
Business Acquisition [Line Items]
Effective date of acquisition		Mar. 02, 2026
Number of laying hens acquired \| Layers		3,200										3,200
Number of cage-free \| Layers		500
Number of pullets \| Pellets		865
Area of land \| a		1,007										1,007
Cash consideration paid			$ 128,784
Goodwill recognized at the time of acquisition			$ 10,000
Clean Egg, LLC [Member]
Business Acquisition [Line Items]
Effective date of acquisition				Oct. 10, 2025
Number of cage-free \| Layers				677
Cash consideration paid				$ 23,700
Goodwill recognized at the time of acquisition				$ 10,200
Echo Lake Foods, LLC [Member]
Business Acquisition [Line Items]
Effective date of acquisition					Jun. 02, 2025
Cash consideration paid					$ 275,406
Goodwill recognized at the time of acquisition					$ 30,100
Business transaction costs										$ 594	$ 6,600
Deal Rite Feeds Inc Assets [Member]
Business Acquisition [Line Items]
Effective date of acquisition						Feb. 03, 2025
Cash consideration paid						$ 4,700
Goodwill recognized at the time of acquisition						$ 1,000
Number of feed mills \| Item						2
ISE America, Inc. [Member]
Business Acquisition [Line Items]
Effective date of acquisition									Jun. 28, 2024
Number of laying hens acquired \| Layers									4,700
Number of cage-free \| Cage-Free_Hens									1.0
Number of pullets \| Pullet									1.2
Area of land \| a									4,000
Cash consideration paid									$ 111,521
Meadowcreek Foods Llc [Member]
Business Acquisition [Line Items]
Effective date of acquisition							Nov. 30, 2024
Business acquisition, percentage of voting interest acquired							9.23%
Crepini Foods LLC [Member]
Business Acquisition [Line Items]
Effective date of acquisition								Sep. 09, 2024
Payments to acquire interest in joint venture								$ 6,750
Business acquisition, percentage of voting interest acquired								51.00%
Crepini Foods LLC [Member] \| Crepini Llc [Member]
Business Acquisition [Line Items]
Business acquisition, percentage of voting interest acquired								49.00%
Sara Lee Frozen Bakey, LLC [Member]
Business Acquisition [Line Items]
Effective date of acquisition	May 12, 2026
Cash consideration paid	$ 24,800

Investment Securities Available-for-Sale (Schedule of Contractual Maturities of Investment Securities) (Details) - USD ($) $ in Thousands	May 30, 2026	May 31, 2025
Investment Securities Available-for-Sale [Abstract]
Within one year	$ 474,328
1-5 years	342,512
Total	$ 816,840	$ 892,708

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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+ Details

Net Income per Common Share	12 Months Ended
Net Income per Common Share	May 30, 2026
Net Income per Common Share [Abstract]
Net Income per Common Share	Note 12 - Net Income per Common Share Basic net income per share attributable to Cal-Maine Foods, Inc. is based on the weighted average shares of Common Stock (and when they were outstanding, shares of Class A Common Stock) outstanding. All shares of Class A Common Stock were converted into Common Stock on April 14, 2025. Diluted net income per share attributable to Cal-Maine Foods, Inc. is based on weighted- average Common Stock outstanding during the relevant period adjusted for the dilutive effect of share -based awards. The following table provides a reconciliation of the numerators and denominators used to determine basic and diluted net income per common share attributable to Cal-Maine Foods, Inc. (amounts in thousands, except per share data): May 30, 2026 May 31, 2025 June 1, 2024 Numerator Net income $ 318,112 $ 1,218,232 $ 276,282 Less: Net income (loss) attributable to noncontrolling interest 1,430 (1,816) (1,606) Net income attributable to Cal -Maine Foods, Inc. $ 316,682 $ 1,220,048 $ 277,888 Denominator Weighted-average common shares outstanding, basic 47,650 48,719 48,717 Effect of dilutive securities of restricted shares 131 172 156 Weighted-average common shares outstanding, diluted 47,781 48,891 48,873 Net income per common share attributable to Cal -Maine Foods, Inc. Basic $ 6.65 $ 25.04 $ 5.70 Diluted $ 6.63 $ 24.95 $ 5.69

Investment Securities Available-for-Sale (Tables)	12 Months Ended
Investment Securities Available-for-Sale (Tables)	May 30, 2026
Investment Securities Available-for-Sale [Abstract]
Schedule of Investment Securities Available-for-Sale	May 30, 2026 Amortized Cost Unrealized Gains Unrealized Losses Estimated Fair Value Municipal bonds $ 12,362 $ 4 $ — $ 12,366 Commercial paper 42,562 — 16 42,546 Corporate bonds 569,137 — 742 568,395 Certificates of deposits 3,226 — 6 3,220 US government and agency obligations 153,172 — 187 152,985 Treasury bills 37,334 — 6 37,328 Total current investment securities $ 817,793 $ 4 $ 957 $ 816,840 May 31, 2025 Amortized Cost Unrealized Gains Unrealized Losses Estimated Fair Value Municipal bonds $ 21,695 $ 3 $ — $ 21,698 Commercial paper 90,880 — 50 90,830 Corporate bonds 431,378 130 — 431,508 Certificates of deposits 5,200 — 6 5,194 US government and agency obligations 240,655 — 260 240,395 Treasury bills 103,119 — 36 103,083 Total current investment securities $ 892,927 $ 133 $ 352 $ 892,708
Schedule of Contractual Maturities of Investment Securities	Estimated Fair Value Within one year $ 474,328 1-5 years 342,512 Total $ 816,840

Fair Value Measurements	12 Months Ended
Fair Value Measurements	May 30, 2026
Fair Value Measurements [Abstract]
Fair Value Measurements	Note 4 - Fair Value Measurements The Company is required to categorize both financial and nonfinancial assets and liabilities based on the following fair value hierarchy. The fair value of an asset is the price at which the asset could be sold in an orderly transaction between unrelated, knowledgeable, and willing parties able to engage in the transaction. A liability’s fair value is defined as the amount that would be paid to transfer the liability to a new obligor in a transaction between such parties, not the amount that would be paid to settle the liability with the creditor. ● Level 1 - Quoted prices in active markets for identical assets or liabilities ● Level 2 - Inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly, including: o Quoted prices for similar assets or liabilities in active markets o Quoted prices for identical or similar assets in non-active markets o Inputs other than quoted prices that are observable for the asset or liability o Inputs derived principally from or corroborated by other observable market data ● Level 3 - Unobservable inputs for the asset or liability that are supported by little or no market activity and are significant to the fair value of the assets or liabilities The disclosure of fair value of certain financial assets and liabilities that are recorded at cost are as follows: Cash and Cash Equivalents, Accounts Receivable, and Accounts Payable The carrying amount approximates fair value due to the short maturity of these instruments. Assets and Liabilities Measured at Fair Value on a Recurring Basis In accordance with the fair value hierarchy described above, the following table shows the fair value of our financial assets and liabilities that are required to be measured at fair value on a recurring basis as of May 30, 2026 and May 31, 2025 (in thousands ): May 30, 2026 Level 1 Level 2 Level 3 Balance Investment securities available -for-sale Municipal bonds $ — $ 12,366 $ — $ 12,366 Commercial paper — 42,546 — 42,546 Corporate bonds — 568,395 — 568,395 Certificates of deposits — 3,220 — 3,220 US government and agency obligations — 152,985 — 152,985 Treasury bills — 37,328 — 37,328 Total investment securities available -for-sale measured at fair value $ — $ 816,840 $ — $ 816,840 Liabilities Contingent consideration — — 21,500 21,500 Total liabilities measured at fair value $ — $ — $ 21,500 $ 21,500 May 31, 2025 Level 1 Level 2 Level 3 Balance Investment securities available -for-sale Municipal bonds $ — $ 21,698 $ — $ 21,698 Commercial paper — 90,830 — 90,830 Corporate bonds — 431,508 — 431,508 Certificates of deposits — 5,194 — 5,194 US government and agency obligations — 240,395 — 240,395 Treasury bills — 103,083 — 103,083 Total investment securities available -for-sale measured at fair value $ — $ 892,708 $ — $ 892,708 Liabilities Contingent consideration — — 21,500 21,500 Total liabilities measured at fair value $ — $ — $ 21,500 $ 21,500 Investment securities – available -for-sale are all classified as Level 2 and consist of securities with maturities of three months or longer when purchased. We classified these securities as current because amounts invested are readily available for current operations. Observable inputs for these securities are yields, credit risks, default rates, and volatility. Contingent consideration classified as Level 3 consists of the potential obligation to pay an earnout to Fassio Egg Farms, Inc. (“Fassio”) contingent on the acquired business meeting certain return on profitability milestones over a three-year period that commenced on the date of the acquisition in the second quarter of fiscal 2024. The fair value of the contingent consideration is estimated using a discounted cash flow model. Key assumptions and unobservable inputs that require significant judgment used in the estimate include weighted average cost of capital, egg prices, projected revenue and expenses over the period for which the contingent consideration is measured, and the probability assessments with respect to the likelihood of achieving the forecaste d projections. The following table shows the beginning and ended balances in fair value for the contingent consideration: Fassio Contingent Consideration Balance, June 4, 2023 $ — Acquisition of Fassio 1,000 Fair value adjustments 5,500 Balance, June 1, 2024 6,500 Fair value adjustments 15,000 Balance, May 31, 2025 21,500 Fair value adjustments — Balance, May 30, 2026 $ 21,500 At May 30, 2026, the contingent consideration is recorded with accrued expenses and other current liabilities in the consolidated balance sheets. Adjustments to the fair value of contingent consideration are recorded within the selling, general and administrative expenses in the consolidated statements of income.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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+ Details

Income Taxes (Narrative) (Details) - USD ($)	12 Months Ended
Income Taxes (Narrative) (Details) - USD ($)	May 30, 2026	May 31, 2025	Jun. 01, 2024
Tax Credit Carryforward [Line Items]
Unrecognized tax benefits	$ 0
Income tax penalties and interest expense	0
Income tax penalties and interest accrued	0
Income taxes paid, net of refunds	119,900,000	$ 426,200,000	$ 35,100,000
State [Member]
Tax Credit Carryforward [Line Items]
Income tax net operating loss carryforwards	$ 96,000

Investment in Unconsolidated Entities (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	May 30, 2026	May 31, 2025	Jun. 01, 2024
Investments in and Advances to Affiliates, Activity [Line Items]
Investments in affiliates, recorded using the equity method of accounting	$ 5.6	$ 10.3
Equity in income of unconsolidated entities	$ 1.3	$ 6.2	$ 1.4
Specialty Eggs LLC [Member]
Investments in and Advances to Affiliates, Activity [Line Items]
Ownership percentage	50.00%	50.00%

- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References + Details

- Definition

Amount of income (loss) for proportionate share of equity method investee's income (loss).

+ References + Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Income Taxes (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	May 30, 2026	May 31, 2025
Deferred tax assets:
Accrued expenses	$ 3,985	$ 3,620
State operating loss carryforwards	2	6
Other comprehensive income	913	770
Right of use - asset	3,334	234
Other	12,969	13,239
Total deferred tax assets	21,203	17,869
Deferred tax liabilities:
Property, plant and equipment	(180,377)	(128,789)
Inventories	(49,478)	(35,041)
Investment in affiliates	(1,618)	(2,205)
Right of use - liability	(3,358)	(240)
Other	(8,244)	(6,245)
Total deferred tax liabilities	(243,075)	(172,520)
Net deferred tax liabilities	$ (221,872)	$ (154,651)

Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	May 30, 2026	May 31, 2025	Jun. 01, 2024
Goodwill and Other Intangible Assets [Abstract]
Aggregate amortization expense for intangible assets	$ 6,765	$ 2,158	$ 2,200

- Definition

Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

+ References

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+ Details

Goodwill and Other Intangible Assets (Schedule Changes in The Carrying Amount of Goodwill) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	May 30, 2026	Mar. 02, 2026	May 31, 2025
Goodwill [Line Items]
Goodwill, Balance	$ 97,059	$ 46,776	$ 45,776
Additions		50,283	1,000
Goodwill reallocation	0
Goodwill, Balance	97,059	97,059	46,776
Conventional Shell Eggs [Member]
Goodwill [Line Items]
Goodwill reallocation	13,790
Goodwill, Balance	13,790
Specialty shell egg sales [Member]
Goodwill [Line Items]
Goodwill reallocation	53,163
Goodwill, Balance	53,163
Prepared Foods [Member]
Goodwill [Line Items]
Goodwill reallocation	30,106
Goodwill, Balance	30,106
Consolidated Business [Member]
Goodwill [Line Items]
Goodwill, Balance	97,059	46,776	45,776
Additions		50,283	1,000
Goodwill reallocation	(97,059)
Goodwill, Balance	$ 0	$ 97,059	$ 46,776

- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

+ References

+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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Reference 12: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1A

+ Details

Consolidated Balance Sheets - USD ($) $ in Thousands	May 30, 2026	May 31, 2025
Current assets:
Cash and cash equivalents	$ 107,217	$ 499,392
Investment securities available-for-sale	816,840	892,708
Receivables:
Trade receivables, net	136,249	244,079
Income tax receivable	107,867	13,057
Other	20,315	15,225
Total receivables, net	264,431	272,361
Inventories, net	375,265	295,670
Prepaid expenses and other current assets	17,789	7,979
Total current assets	1,581,542	1,968,110
Property, plant & equipment, net	1,318,335	1,026,684
Goodwill	97,059	46,776
Intangible assets, net	73,130	15,157
Other assets	37,504	27,892
Total assets	3,107,570	3,084,619
Current liabilities:
Trade accounts payable	96,106	101,033
Dividends payable	0	114,163
Accrued wages and benefits	48,371	60,263
Accrued expenses and other current liabilities	61,039	32,912
Total current liabilities	205,516	308,371
Other liabilities	39,650	55,582
Deferred income taxes	221,872	154,651
Total liabilities	467,038	518,604
Commitments and contingencies - see Note 16
Stockholders' equity:
Common stock ($0.01 par value): Common stock - authorized 120,000 shares, issued 75,061 shares in 2026 and 2025	751	751
Paid-in capital	86,106	80,845
Retained earnings	2,765,108	2,565,928
Accumulated other comprehensive loss, net of tax	(1,466)	(1,007)
Common stock in treasury, at cost - 28,080 and 26,567 shares in 2026 and 2025, respectively	(217,767)	(85,893)
Total Cal-Maine Foods, Inc. stockholders' equity	2,632,732	2,560,624
Noncontrolling interest in consolidated equity	7,800	5,391
Total stockholders' equity	2,640,532	2,566,015
Total liabilities and stockholders' equity	$ 3,107,570	$ 3,084,619

Goodwill and Other Intangible Assets (Schedule of Estimated Amortization of Intangible Assets) (Details) $ in Thousands	May 30, 2026 USD ($)
Goodwill and Other Intangible Assets [Abstract]
2027	$ 7,735
2028	7,665
2029	7,602
2030	7,512
2031	6,351
Thereafter	18,797
Total	$ 55,662

Income Taxes (Summary of Income Taxes Paid Refunds by Jurisdiction) (Details) $ in Thousands	12 Months Ended
	May 30, 2026 USD ($)
Income Tax Paid, by Individual Jurisdiction [Line Items]
Income taxes paid	$ 119,927
Federal [Member]
Income Tax Paid, by Individual Jurisdiction [Line Items]
Income taxes paid	89,583
State [Member]
Income Tax Paid, by Individual Jurisdiction [Line Items]
Income taxes paid	$ 30,344

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	May 30, 2026	May 31, 2025	Jun. 01, 2024
Consolidated Statements of Income [Abstract]
Net sales	$ 2,911,632	$ 4,261,885	$ 2,326,443
Cost of sales	2,239,583	2,411,000	1,784,872
Gross profit	672,049	1,850,885	541,571
Selling, general and administrative	329,291	314,449	252,625
(Gain) loss on involuntary conversions	(8,819)	156	(23,532)
(Gain) loss on disposal of fixed assets	1,391	(259)	26
Operating income	350,186	1,536,539	312,452
Other income (expense):
Interest income, net	46,175	48,059	31,726
Patronage dividends	11,670	11,197	11,331
Other, net	2,973	7,347	4,462
Total other income	60,818	66,603	47,519
Income before income taxes	411,004	1,603,142	359,971
Income tax expense	92,892	384,910	83,689
Net income	318,112	1,218,232	276,282
Less: Income (loss) attributable to noncontrolling interest	1,430	(1,816)	(1,606)
Net income attributable to Cal-Maine Foods, Inc.	$ 316,682	$ 1,220,048	$ 277,888
Net income per share attributable to Cal-Maine Foods, Inc.:
Basic (in dollars per share)	$ 6.65	$ 25.04	$ 5.70
Diluted (in dollars per share)	$ 6.63	$ 24.95	$ 5.69
Weighted average shares outstanding:
Basic (in shares)	47,650	48,719	48,717
Diluted (in shares)	47,781	48,891	48,873

Investment in Unconsolidated Entities	12 Months Ended
Investment in Unconsolidated Entities	May 30, 2026
Investment in Unconsolidated Entities [Abstract]
Investment in Unconsolidated Entities	Note 7 - Investment in Unconsolidated Entities As of May 30, 2026 and May 31, 2025, the Company owned 50 % of Specialty Eggs, LLC (“Specialty Eggs”) and of Southwest Specialty Eggs, LLC (“Southwest Specialty Eggs”), which are accounted for using the equity method of accounting. Specialty Eggs owns the Egg-Land’s Best franchise for most of Georgia and South Carolina, as well as a portion of western North Carolina and eastern Alabama. Southwest Specialty Eggs owns the Egg-Land’s Best franchise for Arizona, southern California and Clark County, Nevada (including Las Vegas). Equity method investments are included in “Other assets” in the accompanying Consolidated Balance Sheets and totaled $ 5.6 million and $ 10.3 million at May 30, 2026 and May 31, 2025, respectively. Equity in income (loss) of unconsolidated entities of a $ 1.3 million loss, $ 6.2 million income, and $ 1.4 million income from these entities has been included in “Other, net” in the accompanying Consolidated Statements of Income for fiscal 2026, 2025, and 2024, respectively. The following relates to the Company’s transactions with these unconsolidated affiliates (in thousands): For the fiscal year ended May 30, 2026 May 31, 2025 June 1, 2024 Sales to unconsolidated entities $ 76,130 $ 110,106 $ 100,553 Purchases from unconsolidated entities 75,031 76,167 63,916 Distributions from unconsolidated entities 3,253 4,050 3,000 May 30, 2026 May 31, 2025 Accounts receivable from unconsolidated entities $ 5,224 $ 5,090 Accounts payable to unconsolidated entities 955 613

Commitments and Contingencies (Narrative) (Details) Item in Millions					3 Months Ended	12 Months Ended
	Jun. 25, 2026 USD ($) Item	Dec. 09, 2025 USD ($)	Nov. 06, 2024 USD ($)	Dec. 01, 2023 USD ($)	Dec. 02, 2023 USD ($)	May 30, 2026 USD ($)	Dec. 17, 2024 USD ($)
Benton County Foods [Member]
Loss Contingencies [Line Items]
Ownership interest						100.00%
Kraft Foods Global Inc Et Al V United Egg Producers Inc Et Al [Member]
Loss Contingencies [Line Items]
Amount awarded to other party				$ 17,800,000
Treble damages			$ 43,600,000			$ 43,600,000
Settlement accrual					$ 19,600,000
State of Oklahoma v. Cal-Maine Foods, Inc. d/b/a Watershed Pollution Litigation [Member]
Loss Contingencies [Line Items]
Amount awarded to other party		$ 70,000
State of Oklahoma v. Cal-Maine Foods, Inc. d/b/a Watershed Pollution Litigation [Member] \| Entities Included In State Of Oklahoma Watershed Pollution Litigation [Member]
Loss Contingencies [Line Items]
Amount awarded to other party		$ 420,000
Remediation fund						$ 10,000,000
Remediation fund, period to fund initial balance						5 days
Remediation fund, addition amount when fund is below threshold						$ 5,000,000
Remediation fund, threshold which requires additional funding						$ 5,000,000
Remediation fund, period to fund						30 years
In Re Shell Eggs Litigation [Member]
Loss Contingencies [Line Items]
Damages sought	$ 1,500,000
Numbers of dozen of eggs quantity to be donated in the terms of litigation settlement \| Item	30
Judicial Ruling [Member] \| Kraft Foods Global Inc Et Al V United Egg Producers Inc Et Al [Member] \| Surety Bond [Member]
Loss Contingencies [Line Items]
Company posted bond, amount							$ 23,900,000

Inventories	12 Months Ended
Inventories	May 30, 2026
Inventories [Abstract]
Inventories	Note 5 - Inventories Inventories consisted of the following (in thousands): May 30, 2026 May 31, 2025 Flocks, net of amortization $ 192,673 $ 166,507 Feed and supplies 84,769 65,192 Raw materials and finished goods inventory 97,823 63,971 $ 375,265 $ 295,670 We grow and maintain flocks of layers (mature female chickens), pullets (female chickens under 18 weeks of age), and breeders (male and female chickens used to produce fertile eggs to hatch for egg production flocks). Our total flock at May 30, 2026 and May 31, 2025, consisted of approximately 14.1 million and 11.5 million pullets and breeders and 50.0 million and 48.3 million layers, respectively. The Company expensed amortization and mortality associated with the flocks to cost of sales as follows (in thousands): May 30, 2026 May 31, 2025 June 1, 2024 Amortization $ 205,041 $ 196,248 $ 198,298 Mortality 11,170 10,619 10,640 Total flock costs charged to cost of sales $ 216,211 $ 206,867 $ 208,938

Income Taxes	12 Months Ended
Income Taxes	May 30, 2026
Income Taxes [Abstract]
Income Taxes	Note 14 - Income Taxes Income Tax Provision The components of our income tax provision (benefit) were (in thousands): Fiscal year ended May 30, 2026 May 31, 2025 June 1, 2024 Current: Federal $ 29,749 $ 312,000 $ 83,721 State (4,220) 61,340 9,640 25,529 373,340 93,361 Deferred: Federal 59,739 12,703 (7,371) State 7,624 (1,133) (2,301) 67,363 11,570 (9,672) Total income tax provision $ 92,892 $ 384,910 $ 83,689 Deferred Taxes The tax effects of significant temporary differences creating deferred tax assets and liabilities were (in thousands): May 30, 2026 May 31, 2025 Deferred tax assets: Accrued expenses $ 3,985 $ 3,620 State operating loss carryforwards 2 6 Other comprehensive income 913 770 Right of use - asset 3,334 234 Other 12,969 13,239 Total deferred tax assets 21,203 17,869 Deferred tax liabilities: Property, plant and equipment $ (180,377) $ (128,789) Inventories (49,478) (35,041) Investment in affiliates (1,618) (2,205) Right of use - liability (3,358) (240) Other (8,244) (6,245) Total deferred tax liabilities (243,075) (172,520) Net deferred tax liabilities $ (221,872) $ (154,651) The company had income tax net operating loss carryforwards related to its state operations of approximately $ 96 thousand as of May 30, 2026. The loss carryforwards are not subject to expiration. On July 4, 2025, H.R. 1, informally known as the One Big Beautiful Bill Act ("The Tax Act"), was enacted. The Tax Act extends and makes permanent several key provisions of the Tax Cuts and Jobs Act of 2017 previously set to expire as of December 31, 2025. The impacts of the Tax Act are reflected in our results for the year ended May 30, 2026, and had no material impact on our income tax expense or effective tax rate. Reconciliation of the U.S. Federal Statutory Rate to the Effective Rate The Company has elected to prospectively adopt the guidance in ASU 2023 -09, Income Taxes (Topic 740): Improvements to Income Taxes Disclosures . The following table is a reconciliation of the U.S. federal statutory tax rate to the total effective tax rates for the year ended May 30, 2026 in accordance with the guidance in ASU 2023-09 (in thousands): Fiscal year end May 30, 2026 Amount Percent U.S. federal statutory tax rate $ 86,226 21.0 % State and local income taxes* 4,290 1.1 Tax credits (251) (0.1) Nontaxable or nondeductible items 2,627 0.7 Provision for income taxes $ 92,892 22.7 % *State taxes in Georgia, Florida, Mississippi, and Texas made up the majority (greater than 50%) of the tax effect in this category. The following table is a reconciliation of the U.S. federal statutory tax rate to the total effective tax rate for the years ended May 31, 2025 and June 1, 2024 in accordance with guidance prior to the adoption of ASU 2023-09 (in thousands): Fiscal year end May 31, 2025 June 1, 2024 Statutory federal income tax $ 337,042 $ 75,931 State income taxes, net 47,169 5,798 Other, net 699 1,960 $ 384,910 $ 83,689 Income Tax Payments The following table is a summary of income taxes paid (net of refunds) by jurisdiction pursuant to the disclosure requirements of ASU 2023-09 for the year ended May 30, 2026 (in thousands): Fiscal year end May 30, 2026 Federal $ 89,583 State 30,344 Income tax payments $ 119,927 We paid income taxes, net of refunds, of $ 119.9 million, $ 426.2 million, and $ 35.1 million during fiscal years 2026, 2025, and 2024, respectively. As of May 30, 2026, we had no significant unrecognized tax benefits. We accrued and paid no interest or penalties during 2026 or 2025 related to uncertain tax positions. We are subject to income tax in many jurisdictions within the U.S. We are currently not under audit by the Internal Revenue Service or by any state and local tax authorities. Tax periods for all years beginning with fiscal year 2021 remain open to examination by federal and state taxing jurisdictions to which we are subject.

- Definition

The entire disclosure for income tax.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
	Apr. 14, 2025	May 30, 2026	May 31, 2025	Feb. 25, 2025
Schedule of Stockholders Equity [Line Items]
Preferred stock shares authorized		10,000,000	10,000,000
Preferred stock par value per share		$ 0.01	$ 0.01
Preferred stock shares outstanding		0	0
Stock repurchase program number of shares authorized to be repurchased \| shares				500,000,000
Stock repurchase program remaining number of shares authorized to be repurchased		320,700,000
Repurchase of Shares		1,571,950	551,876
Preferred stock, shares issued		0	0
Maximum [Member]
Schedule of Stockholders Equity [Line Items]
Stock repurchase program authorized amount				$ 500
Class A Common Stock [Member]
Schedule of Stockholders Equity [Line Items]
Class A Common Stock were converted into Common Stock	4,800,000

Stock-Based Compensation (Tables)	12 Months Ended
Stock-Based Compensation (Tables)	May 30, 2026
Stock-based Compensation [Abstract]
Summary of Equity Award Activity	Number of Shares Weighted Average Grant Date Fair Value Outstanding, June 1, 2024 277,954 $ 49.38 Granted 47,700 109.97 Vested (108,058) 41.32 Forfeited (4,879) 54.86 Outstanding, May 31, 2025 212,717 $ 66.93 Granted 89,867 76.47 Vested (88,519) 55.61 Forfeited (5,063) 83.85 Outstanding, May 30, 2026 209,002 $ 75.42 Number of Shares Weighted Average Grant Date Fair Value Outstanding, May 31, 2025 — $ — Granted 9,260 101.95 Outstanding, May 30, 2026 9,260 $ 101.95

Property, Plant and Equipment (Tables)	12 Months Ended
Property, Plant and Equipment (Tables)	May 30, 2026
Property, Plant and Equipment [Abstract]
Schedule of Property, Plant And Equipment	May 30, 2026 May 31, 2025 Land and improvements $ 176,243 $ 158,627 Buildings and improvements 835,670 722,552 Machinery and equipment 1,085,789 876,024 Construction -in-progress 207,006 148,621 2,304,708 1,905,824 Less: accumulated depreciation 986,373 879,140 $ 1,318,335 $ 1,026,684

Subsequent Events (Narrative) (Details) - Subsequent Event [Member] - Egglands Best [Member] $ in Millions	Jul. 10, 2026 USD ($)
Subsequent Event [Line Items]
Total purchase price	$ 25
Effective date of acquisition	Jul. 10, 2026

Credit Facility (Narrative) (Details) - USD ($)	12 Months Ended
Credit Facility (Narrative) (Details) - USD ($)	May 30, 2026	May 31, 2025	Jun. 01, 2024
Line Of Credit Facility [Line Items]
Interest costs incurred	$ 556,000	$ 612,000	$ 549,000
Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Debt instrument, term	5 years
Maximum borrowing capacity	$ 250,000,000
Available additional capacity	200,000,000
Amount outstanding	$ 0	$ 0
Interest period	1 month
Floor rate	0.00%
Maximum total funded debt to capitalization ratio	50.00%
Minimum tangible net worth, amount	$ 700,000,000
Minimum tangible net worth, percentage of net income	50.00%
Credit facility benchmark in computing dividend payments	$ 50,000,000
Credit Agreement [Member] \| Minimum [Member]
Line Of Credit Facility [Line Items]
Commitment fee	0.15%
Credit Agreement [Member] \| Maximum [Member]
Line Of Credit Facility [Line Items]
Commitment fee	0.25%
Credit Agreement [Member] \| Base Rate [Member] \| Minimum [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	0.00%
Credit Agreement [Member] \| Base Rate [Member] \| Maximum [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	0.75%
Credit Agreement [Member] \| Base Rate, Federal Funds [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	0.50%
Credit Agreement [Member] \| SOFR [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	0.10%
Credit Agreement [Member] \| SOFR [Member] \| Minimum [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
Credit Agreement [Member] \| SOFR [Member] \| Maximum [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	1.75%
Credit Agreement [Member] \| SOFR, One Month [Member] [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
Credit Agreement [Member] \| Standby Letters of Credit [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity	$ 15,000,000
Amount outstanding	5,900,000
Credit Agreement [Member] \| Swingline [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity	$ 15,000,000

Investment Securities Available-for-Sale	12 Months Ended
Investment Securities Available-for-Sale	May 30, 2026
Investment Securities Available-for-Sale [Abstract]
Investment Securities Available-for-Sale	Note 3 - Investment Securities Available-for-Sale The following presents the Company’s investment securities available -for-sale as of May 30, 2026 and May 31, 2025 (in thousands): May 30, 2026 Amortized Cost Unrealized Gains Unrealized Losses Estimated Fair Value Municipal bonds $ 12,362 $ 4 $ — $ 12,366 Commercial paper 42,562 — 16 42,546 Corporate bonds 569,137 — 742 568,395 Certificates of deposits 3,226 — 6 3,220 US government and agency obligations 153,172 — 187 152,985 Treasury bills 37,334 — 6 37,328 Total current investment securities $ 817,793 $ 4 $ 957 $ 816,840 May 31, 2025 Amortized Cost Unrealized Gains Unrealized Losses Estimated Fair Value Municipal bonds $ 21,695 $ 3 $ — $ 21,698 Commercial paper 90,880 — 50 90,830 Corporate bonds 431,378 130 — 431,508 Certificates of deposits 5,200 — 6 5,194 US government and agency obligations 240,655 — 260 240,395 Treasury bills 103,119 — 36 103,083 Total current investment securities $ 892,927 $ 133 $ 352 $ 892,708 Actual maturities may differ from contractual maturities as some borrowers have the right to call or prepay obligations with or without penalties. Contractual maturities of current investment securities at May 30, 2026 are as follows (in thousands): Estimated Fair Value Within one year $ 474,328 1-5 years 342,512 Total $ 816,840

Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	May 30, 2026	May 31, 2025	Jun. 01, 2024
Statement [Line Items]
Dividends per share	$ 2.458	$ 8.319	$ 1.889

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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+ Details

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	Paid In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]	Class A Common Stock [Member]	Class A Common Stock [Member] Common Stock [Member]	Class A Common Stock [Member] Retained Earnings [Member]
Beginning balance at Jun. 03, 2023	$ 1,609,583	$ 703	$ (30,008)	$ 72,112	$ 1,571,112	$ (2,886)	$ (1,498)		$ 48
Beginning balance (in shares) at Jun. 03, 2023		70,261,000
Beginning balance (in shares) at Jun. 03, 2023									4,800,000
Beginning balance (in shares) at Jun. 03, 2023			26,077,000
Statement [Line Items]
Stock compensation plan transactions	2,670		$ (1,589)	4,259
Stock compensation plan transactions (in shares)			(55,000)
Dividends	(83,565)				(83,565)			$ (9,040)		$ (9,040)
Net income (loss)	276,282				277,888		(1,606)
Other comprehensive income (loss), net of tax	1,113					1,113
Ending balance at Jun. 01, 2024	1,797,043	$ 703	$ (31,597)	76,371	1,756,395	(1,773)	(3,104)		$ 48
Ending balance (in shares) at Jun. 01, 2024		70,261,000
Ending balance (in shares) at Jun. 01, 2024									4,800,000
Ending balance (in shares) at Jun. 01, 2024			26,022,000
Statement [Line Items]
Stock compensation plan transactions	574		$ (3,900)	4,474
Stock compensation plan transactions (in shares)			(7,000)
Conversion of Class A Shares		$ 48							$ (48)
Conversion of Class A Shares (in shares)		4,800,000							(4,800,000)
Repurchase of Shares	$ (50,396)		$ (50,396)
Repurchase of Shares (in shares)	551,876		552,000
Contributions	$ 6,485						6,485
Acquisition of noncontrolling interest in MeadowCreek Foods LLC					(3,826)		3,826
Dividends	(378,062)				(378,062)			$ (28,627)		$ (28,627)
Net income (loss)	1,218,232				1,220,048		(1,816)
Other comprehensive income (loss), net of tax	766					766
Ending balance at May. 31, 2025	$ 2,566,015	$ 751	$ (85,893)	80,845	2,565,928	(1,007)	5,391
Ending balance (in shares) at May. 31, 2025		75,061,000
Ending balance (in shares) at May. 31, 2025	26,567,000		26,567,000
Statement [Line Items]
Stock compensation plan transactions	$ 3,907		$ (1,354)	5,261
Stock compensation plan transactions (in shares)			(59,000)
Repurchase of Shares	$ (130,520)		$ (130,520)
Repurchase of Shares (in shares)	1,571,950		1,572,000
Contributions	$ 979						979
Dividends	(117,502)				(117,502)
Net income (loss)	318,112				316,682		1,430
Other comprehensive income (loss), net of tax	(459)					(459)
Ending balance at May. 30, 2026	$ 2,640,532	$ 751	$ (217,767)	$ 86,106	$ 2,765,108	$ (1,466)	$ 7,800
Ending balance (in shares) at May. 30, 2026		75,061,000
Ending balance (in shares) at May. 30, 2026	28,080,000		28,080,000

Segment Reporting (Schedule of reconciliation of Net Sales to Consolidated Results) (Details) - USD ($) $ in Thousands	12 Months Ended
	May 30, 2026	May 31, 2025	Jun. 01, 2024
Segment Reporting Information [Line Items]
Revenues	$ 2,911,632	$ 4,261,885	$ 2,326,443
Total Reportable Segments
Segment Reporting Information [Line Items]
Revenues	2,603,587	3,834,153	2,090,200
Operating Segments [Member] \| Total Reportable Segments
Segment Reporting Information [Line Items]
Revenues	2,663,336	3,914,860	2,120,911
Operating Segments [Member] \| Other Segments Sales [Member]
Segment Reporting Information [Line Items]
Revenues	$ 308,045	$ 427,732	$ 236,243

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Consolidated Balance Sheets (Parenthetical) - $ / shares	May 30, 2026	May 31, 2025
Statement [Line Items]
Common stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	120,000,000	120,000,000
Common stock, shares issued (in shares)	75,061,000	75,061,000
Common stock in treasury (in shares)	28,080,000	26,567,000

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

+ Details

Summary of Significant Accounting Policies (Policy)	12 Months Ended
Summary of Significant Accounting Policies (Policy)	May 30, 2026
Summary of Significant Accounting Policies [Abstract]
Nature of Operations	Nature of Operations Cal -Maine Foods, Inc. (“we,” “us,” “our,” or the “Company”) is the largest egg company in the United States (“U.S.”) and a leading player in the egg-based food industry. The Company’s shell egg portfolio spans the full egg value ladder —from conventional to specialty, including cage-free, nutritionally enhanced, organic, brown, pasture -raised, and free-range eggs— serving both retail and foodservice customers nationwide. Cal -Maine Foods also participates in the growing prepared foods sector, with offerings such as pre-cooked egg patties, omelets, folded and scrambled egg formats, hard -cooked eggs, pancakes, waffles, and specialty wraps. Our branded portfolio includes Eggland’s Best®, Land O’Lakes®, Farmhouse Eggs®, 4Grain®, Sunups®, Van’s®, MeadowCreek Foods®, and Crepini®. We sell most of our products throughout much of the U.S. and aim to maintain efficient, state -of-the-art operations located close to our customers. We were founded in 1957 and are headquartered in Ridgeland, Mississippi.
Principles of Consolidation	Principles of Consolidation The consolidated financial statements include the accounts of all wholly-owned subsidiaries and of majority -owned subsidiaries over which we exercise control. All significant intercompany transactions and accounts have been eliminated in consolidation.
Fiscal Year	Fiscal Year The Company’s fiscal year -end is on the Saturday closest to May 31. The fiscal years ending on May 30, 2026, May 31, 2025, June 1, 2024 each included 52 weeks.
Use of Estimates	Use of Estimates The preparation of the consolidated financial statements in conformity with generally accepted accounting principles (“GAAP”) in the United States of America requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could differ from those estimates.
Cash and Cash Equivalents	Cash and Cash Equivalents The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents. We maintain bank accounts that are insured by the Federal Deposit Insurance Corporation up to $ 250,000 . The Company routinely maintains cash balances with certain financial institutions in excess of federally insured amounts. The Company has not experienced any loss in such accounts. The Company manages this risk through maintaining cash deposits and other highly liquid investments in high quality financial institutions.
Investment Securities Available-for-Sale	Investment Securities Available-for-Sale The Company has determined that its debt securities are available -for-sale investments and are classified as current because the amounts invested are available for current operations. Available -for-sale securities are carried at fair value, based on quoted market prices as of the balance sheet date, with unrealized gains and losses recorded in other comprehensive income. The amortized cost of debt securities is adjusted for amortization of premiums and accretion of discounts to maturity and is recorded in interest income. The Company regularly evaluates changes to the rating of its debt securities by credit agencies and economic conditions to assess and record any expected credit losses through allowance for credit losses, limited to the amount that fair value was less than the amortized cost basis. There was no allowance for credit losses at May 30, 2026 and May 31, 2025. The cost basis for realized gains and losses on available -for-sale securities is determined by the specific identification method. Gains and losses are recognized in other income (expense) as “Other, net” in the Company’s Consolidated Statements of Income. Interest and dividends on securities classified as available -for-sale are recorded in “Interest income , net” in the Company’s Consolidated Statements of Income.
Trade Receivables	Trade Receivables Trade receivables are stated at their carrying values, which include a reserve for credit losses. At May 30, 2026 and May 31, 2025, reserves for credit losses were $ 719 thousand and $ 745 thousand, respectively. The Company extends credit to customers based on an evaluation of each customer ’s financial condition and credit history. Collateral is generally not required. The Company minimizes exposure to counter party credit risk through credit analysis and approvals, credit limits, and monitoring procedures. In determining our reserve for credit losses, receivables are assigned an expected loss based on historical loss information adjusted as needed for economic and other forward-looking factors. At May 30, 2026 and May 31, 2025, one customer accounted for approximately 26.2 % and 28.1 % of the Company’s trade accounts receivable, respectively.
Inventories	Inventories Inventories of flocks, feed, supplies, raw materials and finished goods are valued principally at the lower of cost or net realizable value. The cost of inventories is determined by either the first-in, first-out method or the weighted-average method. The cost associated with flocks, consisting principally of chicks, feed, labor, contractor payments and overhead costs, are accumulated during a growing period of approximately 22 weeks. Flock costs are amortized to cost of sales over the productive lives of the flocks, generally one to two years . As the amortization period of the flocks is relatively short, disclosure of the gross cost and accumulated amortization is omitted. Flock mortality is charged to cost of sales as incurred.
Property, Plant and Equipment	Property, Plant and Equipment Property, plant and equipment are stated at cost. Depreciation is provided by the straight-line method over the estimated useful lives, which are 15 to 25 years for buildings and improvements and 3 to 12 years for machinery and equipment. Expenditures that significantly extend the useful life of the related assets are capitalized. Normal repairs and maintenance are expensed as incurred. When property, plant, and equipment are retired, sold, or otherwise disposed of, the asset’s carrying amount and related accumulated depreciation are removed from the accounts and any gain or loss is included in operations. When certain events or changes in operating conditions occur, asset lives may be adjusted and an impairment assessment may be performed on the recoverability of the carrying amounts.
Investments in Unconsolidated Entities	Investments in Unconsolidated Entities The equity method of accounting is used when the Company can exert significant influence over an entity, but does not control its financial and operating decisions. Under the equity method, original investments are recorded at cost and adjusted by the Company’s share of undistributed earnings or losses of these entities. Equity investments without readily determinable fair values, when the Company does not have the ability to exercise significant influence over the investee, are recorded at cost, less impairment, plus or minus observable price changes.
Goodwill	Goodwill Goodwill represents the excess of the purchase price over the fair value of the identifiable net assets acquired. Goodwill is evaluated for impairment at least annually or more frequently if impairment indicators arise by first performing a qualitative assessment to determine whether a quantitative goodwill test is necessary. After assessing the totality of events or circumstances, if we determine it is more likely than not that the fair value of a reporting unit is less than its carrying amount, then we perform additional quantitative tests to determine the magnitude of any impairment.
Intangible Assets	Intangible Assets Intangible assets are initially recorded at fair value in business acquisitions, which include franchise rights, customer relationships, non-compete agreements, trademarks and right of use intangibles. They are amortized over their estimated useful lives of 5 to 15 years. The gross cost and accumulated amortization of intangible assets are removed when the recorded amounts are fully amortized and the asset is no longer in use or the contract has expired. When certain events or changes in operating conditions occur, asset lives may be adjusted and an impairment assessment may be performed on the recoverability of the carrying amounts. Indefinite life assets are recorded at fair value in business acquisitions and represent brand names and water rights. They are not amortized, but are reviewed for impairment at least annually or more frequently if impairment indicators arise.
Insurance Liabilities and Restricted Cash	Insurance Liabilities and Restricted Cash The Company uses a combination of insurance and self-insurance programs, including a wholly-owned captive insurance subsidiary (the “Captive”) to provide coverage for the potential liabilities for workers’ compensation, auto liability and general liability risks. Liabilities associated with these risks that are retained by the Company are not discounted and are estimated, in part, by considering historical claims experience, severity factors and other actuarial assumptions. These liabilities are recorded within “Accrued expenses and other current liabilities” in the Company’s Consolidated Balance Sheets and were $ 11.4 million and $ 8.0 million at May 30, 2026 and May 31, 2025, respectively. The Captive maintains certain levels of cash and cash equivalents which are restricted in use to secure the insurer’s obligations for workers’ compensation, auto liability and general liability programs. Restricted cash was $ 6.3 million and $ 1.0 million as of May 30, 2026 and May 31, 2025, respectively, and is recorded within “Prepaid expenses and other current assets ” in the Company’s Consolidated Balance Sheets. The Company also maintains medical plans covering substantially all full-time employees. Under the plan, the Company self- insures its portion of medical claims and uses stop-loss insurance to limit its portion of medical claims to $ 275,000 per occurrence. Liabilities associated with these risks are estimated in part by considering historical claims experience, medical cost trends, demographic factors, severity factors and other actuarial assumptions. The Company’s expenses including accruals for incurred but not reported claims were approximately $ 26.6 million, $ 22.8 million, and $ 23.0 million in fiscal years 2026, 2025, and 2024, respectively. The liability recorded for incurred but not reported claims was $ 4.3 million and $ 3.0 million as of May 30, 2026, and May 31, 2025, respectively and are classified within “Accrued expenses and other current liabilities” in the Company’s Consolidated Balance Sheets.
Dividend Payable	Dividends Payable Dividends are accrued at the end of each quarter according to the Company’s dividend policy adopted by its Board of Directors (“Board”) . The Company pays a dividend to stockholders of its Common Stock on a quarterly basis for each quarter for which the Company reports net income attributable to Cal-Maine Foods, Inc. , computed in accordance with GAAP, in an amount equal to one-third (1/3) of such quarterly net income. Dividends are paid to stockholders of record as of the 60th day following the last day of such quarter, except for the fourth fiscal quarter. For the fourth quarter, the Company pays dividends to stockholders of record on the 65th day after the quarter end. Dividends are payable on the 15th day following the record date. Following a quarter for which the Company does not report net income attributable to Cal -Maine Foods, Inc., the Company will not pay a dividend for a subsequent profitable quarter until the Company is profitable on a cumulative basis computed from the date of the most recent quarter for which a dividend was paid. The dividend policy is subject to periodic review by the Board. In accordance with our variable dividend policy, we will not pay a cash dividend to holders of our Common Stock with respect to our fourth quarter of fiscal 2026.
Revenue Recognition	Revenue Recognition The Company recognizes revenue through sale of its products to customers through retail, foodservice and other distribution channels. The majority of the Company’s revenue is derived from agreements or contracts with customers based upon the customer ordering its products with a single performance obligation of delivering the product. The Company believes the performance obligation is met upon delivery and acceptance of the product by our customers, which generally occurs upon shipment or delivery to a customer based on terms of the sale. Costs paid to third party brokers to obtain agreements are expensed as the Company’s agreements are generally less than one year. Revenues are recognized in an amount that reflects the net consideration we expect to receive in exchange for delivery of the products. The Company periodically offers sales incentives or other programs such as rebates, discounts, coupons, volume -based incentives, guaranteed sales and other programs. The Company records an estimated allowance for costs associated with these programs, which is recorded as a reduction in revenue at the time of sale using historical trends and projected redemption rates of each program. The Company regularly reviews these estimates and any difference between the estimated costs and actual realization of these programs would be recognized the subsequent period.
Shipping And Distribution	Shipping and Distribution Costs to deliver product to customers are included in selling, general and administrative expenses in the accompanying Consolidated Statements of Income and totaled $ 108.0 million, $ 93.5 million, and $ 72.7 million in fiscal years 2026, 2025, and 2024, respectively.
Income Taxes	Income Taxes Income taxes are accounted for using the liability method. Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. The Company’s policy with respect to evaluating uncertain tax positions is based upon whether management believes it is more likely than not the uncertain tax positions will be sustained upon review by the taxing authorities. The tax positions must meet the more-likely-than -not recognition threshold with consideration given to the amounts and probabilities of the outcomes that could be realized upon settlement using the facts, circumstances and information at the reporting date. The Company will reflect only the portion of the tax benefit that will be sustained upon resolution of the position and applicable interest on the portion of the tax benefit not recognized. The Company initially and subsequently measures the largest amount of tax benefit that is greater than 50% likely to be realized upon settlement with a taxing authority that has full knowledge of all relevant information. The Company records interest and penalties on uncertain tax positions as a component of income tax expense. Based upon management’s assessment, there are no uncertain tax positions expected to have a material impact on the Company’s consolidated financial statements.
Business Combinations	Business Combinations The Company applies the acquisition method of accounting, which requires that once control is obtained, all the assets acquired and liabilities assumed, including amounts attributable to noncontrolling interests, are recorded at their respective fair values at the date of acquisition. The excess of the purchase price over fair values of identifiable assets and liabilities is recorded as goodwill. We use various models and methods to determine the fair values of identifiable assets and liabilities, such as top-down and bottom-up approach for inventory, cost method and market approach for property, relief-from-royalty and multi-period excess earnings to value intangibles. Significant estimates in valuing certain intangible assets include, but are not limited to, the amount and timing of future cash flows, growth rates, discount rates and useful lives.
Gain (Loss) on Involuntary Conversions	Gain (Loss) on Involuntary Conversions The Company maintains insurance for both property damage and business interruption relating to catastrophic events, such as fires, hurricanes, tornadoes and other acts of God, and is eligible to participate in U.S. Department of Agriculture (“USDA”) indemnity and compensation programs for certain losses due to disease outbreaks such as highly pathogenic avian influenza (“HPAI”). Specifically, the Animal Health Protection Act authorizes the USDA to provide indemnity payments to producers for birds and eggs that must be destroyed during a disease response. Payments received under these programs are based on the fair market value of the poultry and/or eggs at the time that HPAI virus is detected in the flock. Other covered costs include feed, depopulation and disposal costs, and virus elimination costs. The USDA does not provide indemnity for income or production losses suffered due to downtime or other business disruptions nor for indirect continuing expenses. Recoveries received for property damage, business interruption and disease outbreaks in excess of or less than the net book value of damaged assets, including poultry, clean-up and demolition costs, and other direct post-event costs are recorded within “Gain (loss) on involuntary conversions” in the period received or committed when all contingencies associated with the recoveries are resolved.
Loss Contingencies	Loss Contingencies Certain conditions may exist as of the date the consolidated financial statements are issued that may result in a loss to the Company but which will only be resolved when one or more future events occur or fail to occur. The Company’s management and its legal counsel assess such contingent liabilities, and such assessment inherently involves an exercise of judgment. In assessing loss contingencies related to legal proceedings that are pending against the Company or unasserted claims that may result in such proceedings, the Company’s legal counsel evaluates the perceived merits of any legal proceedings or unasserted claims as well as the perceived merits of the amount of relief sought or expected to be sought therein. If the assessment of a contingency indicates it is probable that a material loss has been incurred and the amount of the liability can be estimated, the estimated liability would be accrued in the Company’s consolidated financial statements. If the assessment indicates a potentially material loss contingency is not probable, but is reasonably possible, or is probable but cannot be estimated, then the nature of the contingent liability, together with an estimate of the range of possible loss if determinable and material, would be disclosed. Loss contingencies considered remote are generally not disclosed unless they involve guarantees, in which case the nature of the guarantee would be disclosed. The Company expenses the costs of litigation as they are incurred.
New Accounting Pronouncements and Policies	New Accounting Pronouncements and Policies In December 2023, the FASB issued ASU 2023 -09, Income Taxes (Topic 740) - Improvements to Income Tax Disclosures . This ASU requires that an entity, on an annual basis, disclose additional income tax information, primarily related to the rate reconciliation and income taxes paid. The ASU is intended to enhance the transparency and decision usefulness of income tax disclosures. ASU 2023 -09 is effective for fiscal periods beginning after December 15, 2024. The Company has adopted ASU 2023-09 for the year ended May 30, 2026, on a prospective basis. See Note 14 - Income Taxes for additional disclosures. In November 2024, the FASB issued ASU 2024 -03, Income Statement — Reporting Comprehensive Income — Expense Disaggregation Disclosures (Subtopic 220-40) . The objective of ASU 2024 -03 is to improve disclosures about a public entity’s expenses, primarily through additional disaggregation of income statement expenses. Additionally, in January 2025, the FASB further clarified the effective date of ASU 2024 -03 with the issuance of ASU 2025 -01. ASU 2024 -03 is effective for annual periods beginning after December 15, 2026, and interim periods within annual reporting periods beginning after December 15, 2027. Early adoption is permitted and may be applied either on a prospective or retrospective basis. The Company is currently evaluating the impact of ASU 2024-03 on its consolidated financial statement disclosures. There are no other new accounting pronouncements issued or effective during the fiscal year that had or are expected to have a material impact on our consolidated financial statements.

Cybersecurity Risk Management and Strategy Disclosure	12 Months Ended
Cybersecurity Risk Management and Strategy Disclosure	May 30, 2026
Cybersecurity Risk Management Strategy And Governance [Abstract]
Cybersecurity Risk Management Processes For Assessing Identifying And Managing Threats [Text Block]	Risk Management and Strategy We understand the importance of cybersecurity and its role in the success of the Company. Our business operations depend on the effective use of our information systems in order to properly serve our customers, manage our business and track and report our financial results. Our information technology team considers risks from cybersecurity threats in the implementation and execution of our business processes. We consider and assess the risks from cybersecurity threats as part of our overall risk assessment process using the National Institute of Standards and Technology (“NIST”) Cybersecurity Framework. In order to identify, assess and manage material risks arising from cybersecurity threats, we maintain internal resources to monitor and quickly respond to such threats. We perform vulnerability scans and penetration testing designed to test the effectiveness of our security practices. We engage third -party service providers to assist in the evaluation of our internal controls over our information systems through audit and consulting services to test the design and operational effectiveness of security controls. We continually monitor our systems to detect and identify cybersecurity threats. Prior to contracting with third-party vendors, we perform risk assessments of the vendors and require the vendors to manage cybersecurity risks to our business operations as well as notify us of any potential or known cybersecurity risks. We also require our employees to complete training programs to increase their awareness of and sensitivity to cybersecurity threats. These training programs include the identification of such threats and the proper responses to a potential cybersecurity beach that aligns with our adopted processes. The Company has developed a response process in the event of a cybersecurity incident. The process includes the cooperation of the information technology team and our management team to properly detect and respond to these incidents. These responses include determination of the potential impact and materiality of the incident, potential disclosure and litigation matters, and mitigation of actual or potential damage to our systems or reputation arising from the incident. Mitigation measures are implemented to respond to any potential cybersecurity breach in order to continue to effectively serve our customers and conduct our operations with as little interruption as practicable. The information technology team reviews the response process periodically to ensure that it is designed to be effective and to encompass current or new cybersecurity threats. As of July 22, 2026, we are no t aware of any risks from cybersecurity threats, including as a result of prior cybersecurity incidents, that have materially affected or that we believe are reasonably likely to materially affect the Company, including our business strategy, results of operations or financial condition. See Item 1A. Risk Factors for further discussion about risks from cybersecurity threats.
Cybersecurity Risk Management Processes Integrated Flag	true
Cybersecurity Risk Management Processes Integrated [Text Block]	In order to identify, assess and manage material risks arising from cybersecurity threats, we maintain internal resources to monitor and quickly respond to such threats. We perform vulnerability scans and penetration testing designed to test the effectiveness of our security practices. We engage third -party service providers to assist in the evaluation of our internal controls over our information systems through audit and consulting services to test the design and operational effectiveness of security controls. We continually monitor our systems to detect and identify cybersecurity threats. Prior to contracting with third-party vendors, we perform risk assessments of the vendors and require the vendors to manage cybersecurity risks to our business operations as well as notify us of any potential or known cybersecurity risks. We also require our employees to complete training programs to increase their awareness of and sensitivity to cybersecurity threats. These training programs include the identification of such threats and the proper responses to a potential cybersecurity beach that aligns with our adopted processes.
Cybersecurity Risk Management Third Party Engaged Flag	true
Cybersecurity Risk Third Party Oversight And Identification Processes Flag	true
Cybersecurity Risk Materially Affected Or Reasonably Likely To Materially Affect Registrant Flag	false
Cybersecurity Risk Materially Affected Or Reasonably Likely To Materially Affect Registrant [Text Block]	As of July 22, 2026, we are no t aware of any risks from cybersecurity threats, including as a result of prior cybersecurity incidents, that have materially affected or that we believe are reasonably likely to materially affect the Company, including our business strategy, results of operations or financial condition. See Item 1A. Risk Factors for further discussion about risks from cybersecurity threats.
Cybersecurity Risk Board Of Directors Oversight [Text Block]	Governance The Board is responsible for the oversight of management’s process for identifying and mitigating risks related to cybersecurity threats. On a quarterly basis, the Director of Information Technology provides a report to the Audit Committee regarding ongoing processes to improve and update our current cybersecurity protocols, new cybersecurity threats, results of internal assessments, and any recent cybersecurity incidents. The Audit Committee will make the Board aware of any information it deems necessary or appropriate in order for the Board to effectively oversee the Company’s cybersecurity risk management and strategy. The Director of Information Technology and the team he manages are responsible for the operation and maintenance of our information systems, including the assessment, identification and management of risks from cybersecurity threats. Together, the Director of Information Technology and his team have over 150 years of experience in the information technology and security environment. Our Chief Financial Officer , to whom the Director of Information Technology reports, has served as Chief Financial Officer and a Board member since 2018 and has over 40 years of risk management experience.
Cybersecurity Risk Board Committee Or Subcommittee Responsible For Oversight [Text Block]	The Board is responsible for the oversight of management’s process for identifying and mitigating risks related to cybersecurity threats.
Cybersecurity Risk Process For Informing Board Committee Or Subcommittee Responsible For Oversight [Text Block]	On a quarterly basis, the Director of Information Technology provides a report to the Audit Committee regarding ongoing processes to improve and update our current cybersecurity protocols, new cybersecurity threats, results of internal assessments, and any recent cybersecurity incidents.
Cybersecurity Risk Role Of Management [Text Block]	The Director of Information Technology and the team he manages are responsible for the operation and maintenance of our information systems, including the assessment, identification and management of risks from cybersecurity threats.
Cybersecurity Risk Management Positions Or Committees Responsible Flag	true
Cybersecurity Risk Management Positions Or Committees Responsible [Text Block]	The Director of Information Technology and the team he manages are responsible for the operation and maintenance of our information systems, including the assessment, identification and management of risks from cybersecurity threats. Together, the Director of Information Technology and his team have over 150 years of experience in the information technology and security environment. Our Chief Financial Officer , to whom the Director of Information Technology reports, has served as Chief Financial Officer and a Board member since 2018 and has over 40 years of risk management experience.
Cybersecurity Risk Management Expertise Of Management Responsible [Text Block]	Together, the Director of Information Technology and his team have over 150 years of experience in the information technology and security environment. Our Chief Financial Officer , to whom the Director of Information Technology reports, has served as Chief Financial Officer and a Board member since 2018 and has over 40 years of risk management experience.
Cybersecurity Risk Process For Informing Management Or Committees Responsible [Text Block]	The Audit Committee will make the Board aware of any information it deems necessary or appropriate in order for the Board to effectively oversee the Company’s cybersecurity risk management and strategy.
Cybersecurity Risk Management Positions Or Committees Responsible Report To Board Flag	true

Credit Facility	12 Months Ended
Credit Facility	May 30, 2026
Credit Facility [Abstract]
Credit Facility	Note 10 - Credit Facility For fiscal years 2026, 2025 and 2024, interest expense was $ 556 thousand, $ 612 thousand and $ 549 thousand, respectively, primarily related to commitment fees on the Credit Facility described below. On November 15, 2021, we entered into an Amended and Restated Credit Agreement (as amended, the “Credit Agreement”) with a five-year term, expiring November 15, 2026. The Credit Agreement provides for a senior secured revolving credit facility (the “Credit Facility” or “Revolver”) in an initial aggregate principal amount of up to $ 250 million, which includes a $ 15 million sublimit for the issuance of standby letters of credit and a $ 15 million sublimit for swingline loans. The Credit Facility also includes an accordion feature permitting, with the consent of BMO Harris Bank N.A. (the “Administrative Agent”), an increase in the Credit Facility in the aggregate up to $ 200 million by adding one or more incremental senior secured term loans or increasing one or more times the revolving commitments under the Revolver. No amounts were borrowed under the Credit Facility as of May 30, 2026 or May 31, 2025 or during fiscal 2026 or fiscal 2025. The Company had $ 5.9 million of outstanding standby letters of credit issued under the Credit Facility at May 30, 2026 . On May 26, 2023, we entered into the First Amendment (the “First Amendment”) to the Credit Agreement, which replaced the London Interbank Offered Rate interest rate benchmark with the secured overnight financing rate as administered by the Federa l Reserve Bank of New York or a successor administrator of the secured overnight financing rate (“SOFR”). The interest rate in connection with loans made under the Credit Facility is based on, at the Company’s election, either the Adjusted Term SOFR Rate plus the Applicable Margin or the Base Rate plus the Applicable Margin. The “Adjusted Term SOFR” means with respect to any tenor, the per annum rate equal to the sum of (i) Term SOFR as defined in the Credit Agreement plus (ii) 0.10 % (10 basis points); provided, if Adjusted Term SOFR determined as provided above shall ever be less than the Floor, then Adjusted Term SOFR shall be deemed to be the Floor. The “Floor” means the rate per annum of interest equal to 0.00 %. The “Base Rate” means a fluctuating rate per annum equal to the highest of (a) the federal funds rate plus 0.50 % per annum, (b) the prime rate of interest established by the Administrative Agent, and (c) the Adjusted Term SOFR for a one -month tenor plus 1.00 %. The “Applicable Margin” means 0.00 % to 0.75 % per annum for Base Rate Loans and 1.00 % to 1.75 % per annum for SOFR Loans, in each case depending upon the Total Funded Debt to Capitalization Ratio for the Company at the quarterly pricing date. The Company will pay a commitment fee on the unused portion of the Credit Facility payable quarterly from 0.15 % to 0.25 %, in each case depending upon the Total Funded Debt to Capitalization Ratio for the Company at the quarterly pricing date. On March 25, 2025, the Company entered into the Second Amendment (the “Second Amendment”) to the Credit Agreement. Under the Credit Agreement, a Change of Control is an event of default. The Second Amendment amended the definition of Change of Control to exclude from that definition the conversion (the “Class A Conversion”) of all outstanding shares of the Company’s Class A Common Stock into Common Stock which occurred on April 14, 2025. The Credit Facility is guaranteed by substantially all the current and future wholly-owned direct and indirect domestic subsidiaries of the Company (the “Guarantors”), and is secured by a first-priority perfected security interest in substantially all of the Company’s and the Guarantors’ accounts, payment intangibles, instruments (including promissory notes), chattel paper, inventory (including farm products) and deposit accounts maintained with the Administrative Agent. The Credit Agreement contains customary covenants, including restrictions on the incurrence of liens, incurrence of additiona l debt, sales of assets and other fundamental corporate changes and investments. The Credit Agreement requires maintenance of two financial covenants: (i) a maximum Total Funded Debt to Capitalization Ratio tested quarterly of no greater than 50 %; and (ii) a requirement to maintain Minimum Tangible Net Worth at all times of $ 700 Million plus 50 % of net income (if net income is positive) less permitted restricted payments for each fiscal quarter after November 27, 2021. The Credit Agreement also includes customary events of default and customary remedies upon the occurrence of an event of default, including acceleration of the amounts due under the Credit Facility and foreclosure of the collateral securing the Credit Faci lity. Further, under the terms of the Credit Agreement, payment of dividends under the Company ’s current dividend policy of one- third of the Company ’s net income, computed in accordance with GAAP, and payment of other dividends or repurchases by the Company of its capital stock is allowed, as long as after giving effect to such dividend payments or repurchases no default has occurred and is continuing and the sum of cash and cash equivalents of the Company and its subsidiaries plus availability under the Credit Facility equals at least $ 50 million. At May 30, 2026, we were in compliance with the covenant requirements of the Credit Agreement.

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	May 30, 2026
Insider Trading Arr [Line Items]
Rule 10b 51 Arr Adopted Flag	false
Non Rule 10b 51 Arr Adopted Flag	false
Rule 10b 51 Arr Trmntd Flag	false
Non Rule 10b 51 Arr Trmntd Flag	false

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	May 30, 2026	May 31, 2025	Jun. 01, 2024
Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 318,112	$ 1,218,232	$ 276,282
Other comprehensive income (loss), before tax:
Unrealized holding gain (loss) available-for-sale securities, net of reclassification adjustments	(693)	928	1,271
Decrease in accumulated post-retirement benefits obligation, net of reclassification adjustments	70	54	167
Other comprehensive income (loss), before tax	(623)	982	1,438
Income tax expense (benefit) related to items of other comprehensive income (loss)	(164)	216	325
Other comprehensive income (loss), net of tax	(459)	766	1,113
Comprehensive income	317,653	1,218,998	277,395
Less: comprehensive income (loss) attributable to the noncontrolling interest	1,430	(1,816)	(1,606)
Comprehensive income attributable to Cal-Maine Foods, Inc.	$ 316,223	$ 1,220,814	$ 279,001

Inventories (Tables)	12 Months Ended
Inventories (Tables)	May 30, 2026
Inventories [Abstract]
Schedule of Inventories	May 30, 2026 May 31, 2025 Flocks, net of amortization $ 192,673 $ 166,507 Feed and supplies 84,769 65,192 Raw materials and finished goods inventory 97,823 63,971 $ 375,265 $ 295,670
Schedule of Cost of Sales Amortization and Mortality	May 30, 2026 May 31, 2025 June 1, 2024 Amortization $ 205,041 $ 196,248 $ 198,298 Mortality 11,170 10,619 10,640 Total flock costs charged to cost of sales $ 216,211 $ 206,867 $ 208,938

Segment Reporting (Schedule of Segment Results, Including The Significant Expense Categories Regularly Provided to The CODM) (Details) - USD ($) $ in Thousands	12 Months Ended
	May 30, 2026	May 31, 2025	Jun. 01, 2024
Segment Reporting Information [Line Items]
Revenues	$ 2,911,632	$ 4,261,885	$ 2,326,443
Segment COGS	2,239,583	2,411,000	1,784,872
Segment SG&A	329,291	314,449	252,625
Net income	318,112	1,218,232	276,282
Operating income	350,186	1,536,539	312,452
Other income, net	60,818	66,603	47,519
Income before income taxes	411,004	1,603,142	359,971
Operating Segments [Member]
Segment Reporting Information [Line Items]
Other - segment income	19,044	42,091	33,566
Unallocated corporate SG&A	(108,353)	(127,141)	(94,516)
Gain (loss) on involuntary conversion	8,819	(156)	23,532
Gain (loss) on disposal of fixed assets	(1,391)	259	(26)
Operating income	350,186	1,536,539	312,452
Other income, net	60,818	66,603	47,519
Income before income taxes	411,004	1,603,142	359,971
Other Segments Sales [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues	308,045	427,732	236,243
Total Reportable Segments
Segment Reporting Information [Line Items]
Revenues	2,603,587	3,834,153	2,090,200
Total Reportable Segments \| Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Revenues	(59,749)	(80,707)	(30,711)
Total Reportable Segments \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues	2,663,336	3,914,860	2,120,911
Segment COGS	2,022,469	2,115,134	1,618,267
Segment SG&A	208,800	178,240	152,748
Net income	432,067	1,621,486	349,896
Conventional Shell Egg [Member]
Segment Reporting Information [Line Items]
Revenues	1,309,557	2,703,502	1,226,903
Conventional Shell Egg [Member] \| Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Revenues	(38,519)	(52,357)	(20,389)
Conventional Shell Egg [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues	1,348,076	2,755,859	1,247,292
Segment COGS	1,059,179	1,393,212	970,031
Segment SG&A	72,256	72,644	63,560
Net income	216,641	1,290,003	213,701
Specialty Shell Egg Sales [Member]
Segment Reporting Information [Line Items]
Revenues	1,049,228	1,126,601	863,297
Specialty Shell Egg Sales [Member] \| Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Revenues	(21,230)	(28,350)	(10,322)
Specialty Shell Egg Sales [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues	1,070,458	1,154,951	873,619
Segment COGS	777,920	717,411	648,236
Segment SG&A	110,994	103,938	89,188
Net income	181,544	333,602	$ 136,195
Prepared Foods [Member]
Segment Reporting Information [Line Items]
Revenues	244,802	4,050
Prepared Foods [Member] \| Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Revenues	0	0
Prepared Foods [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues	244,802	4,050
Segment COGS	185,370	4,511
Segment SG&A	25,550	1,658
Net income	$ 33,882	$ (2,119)

Goodwill and Other Intangible Assets (Summary of Goodwill and Other Intangible Assets) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Mar. 02, 2026	May 30, 2026	May 31, 2025	Jun. 01, 2024
Goodwill
Goodwill, Balance	$ 46,776	$ 46,776	$ 45,776
Additions	50,283		1,000
Goodwill, Balance	97,059	97,059	46,776	$ 45,776
Other intangibles, Finite-Lived
Other intangibles, Amortization		(6,765)	(2,158)	(2,200)
Other Intangibles, Finite-Lived, Balance		55,662
Indefinite-lived Intangible Assets [Roll Forward]
Other Intangibles, Indefinite-Lived, Balance	2,942	2,942
Other Intangibles, Indefinite-Lived, Balance		17,468	2,942
Intangible Assets Net Including Goodwill [Abstract]
Total intangibles, Balance	12,215	12,215	13,054
Total intangibles, Additions		50,212	1,319
Total intangibles, Amortization		(6,765)	(2,158)	(2,200)
Total intangibles, Balance		55,662	12,215	13,054
Brand Name [Member]
Indefinite-lived Intangible Assets [Roll Forward]
Other Intangibles, Indefinite-Lived, Balance		14,526
Water Rights [Member]
Indefinite-lived Intangible Assets [Roll Forward]
Other Intangibles, Indefinite-Lived, Balance	2,942	2,942
Other Intangibles, Indefinite-Lived, Balance		2,942	2,942
Other Intangibles [Member]
Other intangibles, Finite-Lived
Other Intangibles, Finite-Lived, Balance	1,069	1,069	659
Other Intangibles, Additions		10,212	619
Other intangibles, Amortization		(1,615)	(209)
Other Intangibles, Finite-Lived, Balance		9,666	1,069	659
Intangible Assets Net Including Goodwill [Abstract]
Total intangibles, Amortization		(1,615)	(209)
Franchise Rights [Member]
Other intangibles, Finite-Lived
Other Intangibles, Finite-Lived, Balance	10,191	10,191	11,787
Other intangibles, Amortization		(1,595)	(1,596)
Other Intangibles, Finite-Lived, Balance		8,596	10,191	11,787
Intangible Assets Net Including Goodwill [Abstract]
Total intangibles, Amortization		(1,595)	(1,596)
Customer Relationships [Member]
Other intangibles, Finite-Lived
Other Intangibles, Finite-Lived, Balance	$ 955	955	608
Other Intangibles, Additions		40,000	700
Other intangibles, Amortization		(3,555)	(353)
Other Intangibles, Finite-Lived, Balance		37,400	955	$ 608
Intangible Assets Net Including Goodwill [Abstract]
Total intangibles, Amortization		$ (3,555)	$ (353)

Income Taxes (Reconciliation of Effective Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	May 30, 2026	May 31, 2025	Jun. 01, 2024
Income Taxes [Abstract]
U.S. federal Statutory income tax, Amount	$ 86,226	$ 337,042	$ 75,931
State and local income taxes, net, Amount	4,290	47,169	5,798
Tax credits, Amount	(251)
Nontaxable or nondeductible items, Amount	2,627
Other, net, Amount		699	1,960
Income tax expense (benefit)	$ 92,892	$ 384,910	$ 83,689
U.S. federal statutory tax rate, Percent	21.00%
State and local income taxes, Percent	1.10%
Tax credits, Percent	(0.10%)
Nontaxable or nondeductible items, Percent	0.70%
Provision for income taxes, Percent	22.70%
Tax Jurisdiction Of Domicile Extensible Enumeration	Domestic Country [Member]	Domestic Country [Member]	Domestic Country [Member]

Stock-Based Compensation	12 Months Ended
Stock-Based Compensation	May 30, 2026
Stock-based Compensation [Abstract]
Stock-Based Compensation	Note 13 – Stock-Based Compensation The Company’s stock-based compensation plan, the Amended and Restated Cal -Maine Foods, Inc. 2012 Omnibus Long -Term Incentive Plan (the “LTIP Plan”), provides for the granting of equity -based awards such as restricted stock, performance stock units and stock options . Awards may be granted under the LTIP Plan to any employee, any non -employee member of the Board, and any consultant who is a natural person and provides services to us or one of our subsidiaries (except for incentive stock options, which may be granted only to our employees). As of May 30, 2026, the total number of shares available for issuance was 719,234 , and may be authorized but unissued shares or treasury shares. Common Stock issued from treasury shares under the plan was 89,867 shares, 47,700 shares and 86,803 shares for fiscal 2026, 2025 and 2024, respectively. Restricted Stock Restricted stock outstanding under the LTIP Plan vests three years from the grant date, or upon death or disability, change in control, or retirement (subject to certain requirements). The restricted stock contains no other service or performance conditions. Restricted stock is awarded in the name of the recipient and, except for the right of disposal, constitutes issued and outstanding shares of the Company’s Common Stock for all corporate purposes during the period of restriction including the right to receive dividends. Compensation expense is a fixed amount based on the grant date closing price and is amortized on a straight-line basis over the vesting period. Forfeitures are recognized as they occur. Total stock-based compensation expense related to the restricted stock was $ 5.3 million, $ 4.5 million and $ 4.4 million in fiscal 2026, 2025 and 2024, respectively. Our unrecognized compensation expense as a result of non-vested shares was $ 9.0 million at May 30, 2026 and $ 8.0 million at May 31, 2025 . The unrecognized compensation expense will be amortized to stock compensation expense over a period of 2.1 years. A summary of our activity and related information for our restricted stock is as follows: Number of Shares Weighted Average Grant Date Fair Value Outstanding, June 1, 2024 277,954 $ 49.38 Granted 47,700 109.97 Vested (108,058) 41.32 Forfeited (4,879) 54.86 Outstanding, May 31, 2025 212,717 $ 66.93 Granted 89,867 76.47 Vested (88,519) 55.61 Forfeited (5,063) 83.85 Outstanding, May 30, 2026 209,002 $ 75.42 Performance-Based Long-Term Incentive Awards Effective June 1, 2025, the Company implemented a new performance -based long-term incentive award under our executive compensation program, which provides for awards of performance share units (“PSUs”) to certain key executives. Pursuant to these awards, certain officers have the opportunity to receive Common Shares after a three-year performance period contingent on (a) the executive’s continued service through the performance period, except as otherwise provided in the award agreement, and (b) the Company’s achievement of specific performance goals tied to the following two equally weighted measures: the Company’s cumulative adjusted EBITDA and relative total stockholder return compared to a peer group. Depending on the level of achievement of these two measures over the performance period, the PSUs will pay out between 0 % and 150 % of the target award. Total compensation expense as a result of the performance-based program was $ 387 thousand in fiscal 2026. Our unrecognized compensation expense as a result of non-vested shares in the performance-based program was $ 779 thousand at May 30, 2026 . The unrecognized compensation expense will be amortized to stock compensation expense over a period of 2.0 years. A summary of our activity and related information for our performance-based awards is as follows: Number of Shares Weighted Average Grant Date Fair Value Outstanding, May 31, 2025 — $ — Granted 9,260 101.95 Outstanding, May 30, 2026 9,260 $ 101.95

Fair Value Measurements (Schedule of Assets Measured at Fair Value on A Recurring Basis) (Details) - USD ($) $ in Thousands	May 30, 2026	May 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	$ 816,840	$ 892,708
Liabilities measured at fair value	21,500	21,500
Contingent Consideration [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities measured at fair value	21,500	21,500
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	0	0
Liabilities measured at fair value	0	0
Level 1 [Member] \| Contingent Consideration [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities measured at fair value	0	0
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	816,840	892,708
Liabilities measured at fair value	0	0
Level 2 [Member] \| Contingent Consideration [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities measured at fair value	0	0
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	0	0
Liabilities measured at fair value	21,500	21,500
Level 3 [Member] \| Contingent Consideration [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities measured at fair value	21,500	21,500
Municipal Bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	12,366	21,698
Municipal Bonds [Member] \| Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	0	0
Municipal Bonds [Member] \| Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	12,366	21,698
Municipal Bonds [Member] \| Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	0	0
Commercial Paper [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	42,546	90,830
Commercial Paper [Member] \| Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	0	0
Commercial Paper [Member] \| Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	42,546	90,830
Commercial Paper [Member] \| Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	0	0
Corporate Bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	568,395	431,508
Corporate Bonds [Member] \| Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	0	0
Corporate Bonds [Member] \| Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	568,395	431,508
Corporate Bonds [Member] \| Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	0	0
Certificates of Deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	3,220	5,194
Certificates of Deposits [Member] \| Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	0	0
Certificates of Deposits [Member] \| Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	3,220	5,194
Certificates of Deposits [Member] \| Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	0	0
US Government and Agency Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	152,985	240,395
US Government and Agency Obligations [Member] \| Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	0	0
US Government and Agency Obligations [Member] \| Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	152,985	240,395
US Government and Agency Obligations [Member] \| Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	0	0
Treasury Bills [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	37,328	103,083
Treasury Bills [Member] \| Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	0	0
Treasury Bills [Member] \| Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	37,328	103,083
Treasury Bills [Member] \| Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	$ 0	$ 0