0001562762-26-000072 | 11-K | XBRL Viewer

Party-in-Interest Transactions	12 Months Ended
Dec. 31, 2025
EPB 001 [Member]
Employee Benefit Plan, Related Party and Party-in-Interest Transactions [Line Items]
Party-in-Interest and Related Party Transactions	Note 6 – Parties -in-Interest Transactions The Plan invests in shares of the Company. The Company is the Plan sponsor and is, therefore, by definition a party-in-interest. All investments and investment transactions related to company stock were with a party- in - interest. As of December 31, 2025 and 2024 the fair value of the investment in Company stock was $ 150,927,930 and $ 196,595,844 , respectively. Total dividend income received during the year ended December 31, 2025 and 2024 was $ 16,320,204 and $ 5,588,690 , respectively. Empower Annuity Insurance Company serves as recordkeeper to the Plan, OneDigital Investment Advisors LLC serves as investment advisor to the Plan, and Empower Advisory Group, LLC serves as investment managers to the Plan. Fees are paid to these companies for their services. These service providers are by definition parties- in - interest. The Plan also holds notes receivable from participants. As a result, these notes receivable and all related transactions were with a party-in-interest. All of these transactions are exempt from being prohibited transactions under ERISA.

Tax Status	12 Months Ended
Dec. 31, 2025
EPB 001 [Member]
Employee Benefit Plan, Tax Status [Line Items]
Tax Status	Note 5 – Tax Status The IRS has determined and informed the Company by a letter dated January 14, 2015 that the amended and restated Plan document is designed in accordance with applicable sections of the IRC. Although the plan document has been amended since receiving the determination letter, the Plan administrator believes the Plan is designed and currently being operated in compliance with the applicable requirements of the IRC. Therefore, no provision for income taxes has been included in the Plan’s financial statements . Accounting principles generally accepted in the United States of America require Plan management to evaluate tax positions taken by the Plan and recognize a tax liability (or asset) if the Plan has taken an uncertain position that, more likely than not, would not be sustained upon examination by the IRS. The Plan administrator has analyzed the tax positions taken by the Plan, and has concluded that, as of December 31, 2025, there are no uncertain positions taken or expected to be taken that would require recognition of a liability (or asset) or disclosure in the financial statements. The Plan is subject to routine audits by taxing jurisdictions; however, there are currently no audits for any tax periods in progress.

Fair Value Measurements (Investments Measured and Recognized at Fair Value) (Details) - EPB 001 [Member] - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Plan's assets at fair value	$ 257,974,626	$ 286,136,143
Cal-Maine Foods, Inc. Common Stock [Member]
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Plan's assets at fair value	150,927,930	196,595,844
Fair Value Inputs Level 12 And 3 [Member]
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Plan's assets at fair value	255,188,755	283,506,134
Fair Value Inputs Level 12 And 3 [Member] \| Cal-Maine Foods, Inc. Common Stock [Member]
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Plan's assets at fair value	150,927,930	196,595,844
Fair Value Inputs Level 12 And 3 [Member] \| Mutual Funds [Member]
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Plan's assets at fair value	104,260,825	86,910,290
Fair Value, Inputs, Level 1 [Member]
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Plan's assets at fair value	255,188,755	283,506,134
Fair Value, Inputs, Level 1 [Member] \| Cal-Maine Foods, Inc. Common Stock [Member]
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Plan's assets at fair value	150,927,930	196,595,844
Fair Value, Inputs, Level 1 [Member] \| Mutual Funds [Member]
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Plan's assets at fair value	104,260,825	86,910,290
Fair Value Inputs Level 2 [Member]
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Plan's assets at fair value	0	0
Fair Value Inputs Level 2 [Member] \| Cal-Maine Foods, Inc. Common Stock [Member]
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Plan's assets at fair value	0	0
Fair Value Inputs Level 2 [Member] \| Mutual Funds [Member]
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Plan's assets at fair value	0	0
Fair Value Inputs Level 3 [Member]
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Plan's assets at fair value	0	0
Fair Value Inputs Level 3 [Member] \| Cal-Maine Foods, Inc. Common Stock [Member]
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Plan's assets at fair value	0	0
Fair Value Inputs Level 3 [Member] \| Mutual Funds [Member]
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Plan's assets at fair value	0	0
Fair Value Measured At Net Asset Value Per Share [Member]
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Plan's assets at fair value	$ 2,785,871	$ 2,630,009

Schedule of Assets	12 Months Ended
Dec. 31, 2025
EPB 001 [Member]
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Schedule of Assets	Description of investment including Identity of issue, borrower, maturity date, rate of interest, Current (a) (b) lessor or similar party (c) collateral, par or maturity value (e) value Common collective trust funds Federated Hermes Capital Preservation Fund 2,785,871 Mutual funds Allspring Special Mid Cap Value Fund R6 2,294,330 BlackRock Inflation Prted Bd Blackrock K 1,400,474 BlackRock Liquidity FedFund Instl 3,924,227 BlackRock Mid-Cap Growth Equity K 1,244,624 Invesco Growth and Income Fund R6 4,069,051 MFS Massachusetts Investors Gr Stk R6 4,144,858 MFS Total Return Bond R6 2,861,092 MFS Total Return R6 2,517,114 T. Rowe Price Retirement 2010 Fund I 292,082 T. Rowe Price Retirement 2020 Fund I 6,051,749 T. Rowe Price Retirement 2030 Fund I 14,641,625 T. Rowe Price Retirement 2040 Fund I 16,070,224 T. Rowe Price Retirement 2050 Fund I 10,455,081 T. Rowe Price Retirement 2060 Fund I 4,241,753 Vanguard 500 Index Fund - Admiral 17,424,515 Vanguard Developed Markets Index Admiral 5,583,169 Vanguard Explorer Adm 3,036,398 Vanguard Mid Cap Index Adm 1,953,518 Vanguard Small Cap Index Fund - Admiral 2,054,941 Total mutual funds 104,260,825 Column (d) not applicable for participant directed investments. See Report of the Independent Registered Public Accounting Firm Description of investment including Identity of issue, borrower, maturity date, rate of interest, Current (a) (b) lessor or similar party (c) collateral, par or maturity value (e) value Common stock * Cal-Maine Foods, Inc. 1,896,794 shares of common stock, $ 0.01 par value $ 150,927,930 * Participant loans Interest rates from 3.25 % to 9.5 % with maturity dates from January 2026 through March 2040 6,229,412 Total $ 264,204,038 * Party-in-interest Column (d) not applicable for participant directed investments. See Report of the Independent Registered Public Accounting Firm

Party-in-Interest Transactions (Narrative) (Details) - EPB 001 [Member] - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Employee Benefit Plan, Related Party and Party-in-Interest Transactions [Line Items]
Plan's assets at fair value	$ 257,974,626	$ 286,136,143
Dividends	21,173,541	9,198,699
Employee Benefit Plan Employer Common Stock [Member]
Employee Benefit Plan, Related Party and Party-in-Interest Transactions [Line Items]
Plan's assets at fair value	150,927,930	196,595,844
Dividends	$ 16,320,204	$ 5,588,690

- Definition

Fair value of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria.

+ References

+ Details

Schedule of Assets (Schedule of Assets (Held at End of Year) II) (Details) - EPB 001 [Member]	12 Months Ended
	Dec. 31, 2025 USD ($)
Common Collective Trust Funds [Member] \| Investment, Identifier [Axis]: Federated Hermes Capital Presevation Funds
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Common Collective Trust Funds [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Common Collective Trust Funds [Member]
Current Value	$ 2,785,871
Mutual Fund [Member]
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Current Value	$ 104,260,825
Mutual Fund [Member] \| Investment, Identifier [Axis]: Allspring Special Mid Cap value Fund R6
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 2,294,330
Mutual Fund [Member] \| Investment, Identifier [Axis]: BlackRock Inflation Prted Bd Blackrock K
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 1,400,474
Mutual Fund [Member] \| Investment, Identifier [Axis]: BlackRock Liquidity FedFund Instl
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 3,924,227
Mutual Fund [Member] \| Investment, Identifier [Axis]: BlackRock Mid-Cap Growth Equity K
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 1,244,624
Mutual Fund [Member] \| Investment, Identifier [Axis]: Invesco Growth And Income Fund R6
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 4,069,051
Mutual Fund [Member] \| Investment, Identifier [Axis]: MFS Massachusetts Investors Gr Stk R6
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 4,144,858
Mutual Fund [Member] \| Investment, Identifier [Axis]: MFS Total Return Bond R6
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 2,861,092
Mutual Fund [Member] \| Investment, Identifier [Axis]: MFS Total Return R6
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 2,517,114
Mutual Fund [Member] \| Investment, Identifier [Axis]: T. Rowe Price Retirement 2010 Fund I
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 292,082
Mutual Fund [Member] \| Investment, Identifier [Axis]: T. Rowe Price Retirement 2020 Fund I
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 6,051,749
Mutual Fund [Member] \| Investment, Identifier [Axis]: T. Rowe Price Retirement 2030 Fund I
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 14,641,625
Mutual Fund [Member] \| Investment, Identifier [Axis]: T. Rowe Price Retirement 2040 Fund I
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 16,070,224
Mutual Fund [Member] \| Investment, Identifier [Axis]: T. Rowe Price Retirement 2050 Fund I
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 10,455,081
Mutual Fund [Member] \| Investment, Identifier [Axis]: T. Rowe Price Retirement 2060 Fund I
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 4,241,753
Mutual Fund [Member] \| Investment, Identifier [Axis]: Vanguard 500 Index Fund - Admiral
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 17,424,515
Mutual Fund [Member] \| Investment, Identifier [Axis]: Vanguard Developed Markets Index Admiral
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 5,583,169
Mutual Fund [Member] \| Investment, Identifier [Axis]: Vanguard Explorer Adm
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 3,036,398
Mutual Fund [Member] \| Investment, Identifier [Axis]: Vanguard Mid Cap Index Adm
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 1,953,518
Mutual Fund [Member] \| Investment, Identifier [Axis]: Vanguard Small Cap Index Fund - Admiral
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Mutual Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Mutual Fund [Member]
Current Value	$ 2,054,941
Cal-Maine Foods, Inc. Common Stock [Member] \| Investment, Identifier [Axis]: Cal-Maine Foods, Inc. Common Stock
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Employee Benefit Plan Investment Issuer Name Extensible Enumeration	Cal-Maine Foods, Inc. Common Stock [Member]
Employee Benefit Plan Investment Type Extensible Enumeration	Cal-Maine Foods, Inc. Common Stock [Member]
Current Value	$ 150,927,930

Schedule of Assets (Schedule of Assets (Held at End of Year) III) (Details) - EPB 001 [Member]	12 Months Ended
	Dec. 31, 2025 USD ($) $ / shares shares
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Participant Loans	$ 6,229,412
Total	$ 264,204,038
Minimum [Member]
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Interest rate	3.25%
Maximum [Member]
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Interest rate	9.50%
Mutual Fund [Member]
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Current Value	$ 104,260,825
Cal-Maine Foods, Inc. Common Stock [Member]
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
Number of shares \| shares	1,896,794
Par value per share \| $ / shares	$ 0.01

Fair Value Measurements (Tables)	12 Months Ended
Fair Value Measurements (Tables)	Dec. 31, 2025
EPB 001 [Member]
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Investments Measured and Recognized at Fair Value and Additional Disclosures for NAV	The following table sets forth the Plan’s assets at fair value. December 31, 2025 Level 1 Level 2 Level 3 Total Assets Cal-Maine Foods, Inc. common stock $ 150,927,930 $ — $ — $ 150,927,930 Mutual funds 104,260,825 — — 104,260,825 Total assets measured at fair value $ 255,188,755 $ — $ — $ 255,188,755 Investments measured at net asset value* 2,785,871 Investment at fair value $ 257,974,626 December 31, 2024 Level 1 Level 2 Level 3 Total Assets Cal-Maine Foods, Inc. common stock $ 196,595,844 $ — $ — $ 196,595,844 Mutual funds 86,910,290 — — 86,910,290 Total assets measured at fair value $ 283,506,134 $ — $ — $ 283,506,134 Investments measured at net asset value* 2,630,009 Investment at fair value $ 286,136,143 * The investment measured at fair value using the net asset value per share (or its equivalent) practical expedient has not been classified in the fair value hierarchy. The fair value amount included above is intended to permit reconciliation of the fair value hierarchy to the amounts presented in the statements of net assets available for benefits. The following table summarizes investments for which fair value is measured using the NAV per share as a practical expedient. Unfunded Redemption Redemption Fair Value Commitments Frequency Notice Period December 31, 2025 Common collective trust fund $ 2,785,871 N/A Daily None December 31, 2024 Common collective trust fund $ 2,630,009 N/A Daily None

- 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

- Definition

Tabular disclosure of fair value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, fair value measured at net asset value per share as practical expedient (NAV).

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-URI https://asc.fasb.org/1943274/2147482106/820-10-50-8

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-Section 50
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+ Details

Statements of Net Assets Available for Benefits - EPB 001 [Member] - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Assets
Noninterest-bearing cash	$ 0	$ 82,405
Receivables
Employer contributions	6,554	0
Participant contributions	14,755	0
Investments, at fair value	257,974,626	286,136,143
Notes receivable from participants	6,229,412	4,932,462
Net assets available for benefits	$ 264,225,347	$ 291,151,010

- Definition

Fair value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria.

+ References

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+ Details

- Definition

Amount of asset less liability available to pay benefit of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, aggregation of participants' individual account balances.

+ References

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+ Details

Summary of Significant Plan Provisions	12 Months Ended
Summary of Significant Plan Provisions	Dec. 31, 2025
EPB 001 [Member]
Employee Benefit Plan, Description of Plan [Line Items]
Summary of Significant Plan Provisions	Note 1 – Summary of Significant Plan Provisions The following description of the Cal-Maine Foods, Inc. KSOP (the “Plan”) provides only general information. Participants should refer to the Plan documents for a more complete description of the Plan’s provisions. General The Plan covers substantially all employees of Cal-Maine Foods, Inc. and its subsidiaries (collectively, the “Company”). It is subject to the provisions of the Employee Retirement Income Security Act of 1974, as amended (“ERISA”). Eligibility Each employee, except leased employees, collective bargaining employees, contract employees, and employees of independent contractors shall become eligible to participate in the Plan on the first day of the month following or coinciding with the employee attaining 18 years of age and six months of service. The Plan includes an auto-enrollment provision whereby all newly eligible employees are automatically enrolled in the Plan unless they affirmatively elect not to participate in the Plan. Contributions Participants may contribute a portion of pretax annual compensation, as defined by the Plan Document. Participants may designate all or a portion of their contributions as Roth contributions. Participants who have attained age 50 before the end of the Plan year are eligible to make catch-up contributions. The automatic deferral percentage for new participants is 3 % of compensation. A participant may elect not to participate or to defer a different percentage of their compensation. Employee deferrals will automatically increase by one percent ( 1 %) on the first day of each Plan year, up to a maximum of 5 %. Participants may contribute amounts representing distributions from other qualified defined benefit or defined contribution plans (rollovers). The Company made safe harbor nonelective contributions equal to 3 % of compensation during the years ended December 31, 2025 and 2024. These contributions are initially invested in Cal-Maine Foods, Inc. common stock. The Company can also make additional discretionary nonelective contributions. The Company did no t make an additional contribution for the years ended December 31, 2025 or 2024. Contributions are subject to certain Internal Revenue Service (“IRS”) limitations. Participant accounts Each participant’s account is credited with participant and Company contributions and an allocation of Plan earnings/losses, and is charged with applicable withdrawals and administrative expenses. Allocations are based on the participant’s compensation, contributions or account balances, as defined. The benefit to which a participant is entitled is the benefit that can be provided from the participant’s vested account. A participant, alternate payee of a participant, or beneficiary of a deceased participant has the immediate right to elect to diversify any publicly traded employer securities held in their Company stock account attributable to participating Company contributions and any publicly traded securities held in their safe harbor nonelective contribution Company stock account and reinvest the proceeds in any other investments available under the Plan. Vesting Participants are vested immediately in their contributions and Company safe harbor contributions plus actual earnings thereon. Investment options Participants may direct the investment of their interest in the Plan into the investment options offered under the Plan. Participants may change their investment selections at any time. Notes receivable from participants Participants may borrow from their accounts a minimum of $ 1,000 up to a maximum of the lesser of $ 50,000 or 50 % of the vested interest in their account balance. Note terms range from one to five years or up to 15 years if for the purchase of a primary residence. The notes are secured by the balance in the participant’s account and bear interest at a rate determined by the Plan Administrative Committee equivalent to that charged by major financial institutions in the community. Principal and interest is paid ratably through weekly or biweekly payroll deductions. Payment of benefits Benefits are generally payable on termination, retirement, death or disability. If the participant’s vested balance is $ 5,000 or less, it will be automatically distributed. In-service withdrawals are allowed from all participant accounts if the participant has attained age 59½ , at any time from a participant’s rollover account, or once a year from a participant’s non-safe harbor Company stock account and non-elective deferral Company Stock Account for participants with five or more years of participation. In addition, in-service withdrawals are available to participants meeting certain hardship requirements. Distributions from a participant’s Company stock account are made either in cash or Company stock, as elected by the participant. Non-company stock accounts are distributed in lump sum or installments. Voting rights of stock Each participant shall have the right to direct the committee or trustee as to the manner in which whole and partial shares of the Company’s stock allocated to their accounts as of the record date are to be voted in each matter brought before an annual or special shareholders’ meeting. Termination of the Plan Although it has not expressed any intent to do so, the Company has the right under the Plan to discontinue its contributions at any time and to terminate the Plan subject to the provisions of ERISA.

Fair Value Measurements (Additional Disclosures for NAV) (Details) - EPB 001 [Member] - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Fair Value	$ 257,974,626	$ 286,136,143
Fair Value Measured At Net Asset Value Per Share [Member]
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Fair Value	$ 2,785,871	$ 2,630,009

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 Plan Provisions (Narrative) (Details) - EPB 001 [Member] - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Employee Benefit Plan, Description of Plan [Line Items]
Age for eligibility	18 years 6 months
Age for catch-up contributions	50 years
Deferral increase rate	1.00%
Employer contribution, matching percentage	3.00%
Discretionary contributions	$ 0	$ 0
Note receivable from participant, account, minimum borrowing, amount	1,000
Note receivable from participant, account, maximum borrowing, amount	$ 50,000
Note receivable from participant, account, maximum borrowing, percent	50.00%
Employee Benefit Plan, Payment Of Benefits, Account, Age For In Service Withdrawals	59 years 6 months
Vested balance amount for automatic distribution	$ 5,000
Minimum [Member]
Employee Benefit Plan, Description of Plan [Line Items]
Deferral rate of eligible employee enrolled in plan	3.00%
Note receivable from participant note term	1 year
Maximum [Member]
Employee Benefit Plan, Description of Plan [Line Items]
Deferral rate of eligible employee enrolled in plan	5.00%
Note receivable from participant note term	5 years
Note receivable from participant note term for primary residence	15 years

Summary of Significant Accounting Policies (Policies) - EPB 001 [Member]	12 Months Ended
	Dec. 31, 2025
Employee Benefit Plan, Accounting Policy [Line Items]
Basis of Accounting	Basis of accounting The accompanying financial statements are prepared under the accrual method of accounting in accordance with accounting principles generally accepted in the United States of America.
Use of Estimates	Use of Estimates The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect certain reported amounts of assets and liabilities and changes therein, and disclosure of contingent assets and liabilities. Accordingly, actual results may differ from those estimates.
Investment Valuation and Income Recognition	Investment valuation and income recognition Investments are reported at fair value. See Note 3 for a discussion of fair value measurements. Purchases and sales of securities are recorded on a trade-date basis. Interest is recorded on the accrual basis. Dividends are recorded on the ex -dividend date. Net change in fair value includes the Plan’s gains and losses on investments bought and sold, as well as held during the year.
Notes Receivable from Participants	Notes receivable from participants Notes receivable from participants are measured at their unpaid principal balance plus any accrued, but unpaid, interest. Delinquent notes receivable from participants are recorded as a distribution based upon the terms of the Plan documents.
Payment of Benefits	Payment of benefits Benefits are recorded when paid.
Administrative Expenses	Administrative expenses Certain administrative and recordkeeping fees are paid by the Plan, unless otherwise paid by the Company. Expenses that are paid by the Company are excluded from these financial statements. Fees related to loans and distributions are charged directly to the participants' accounts.

- Definition

Disclosure of accounting policy for use of estimate in preparation of financial statement of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References + Details

Fair Value Measurements	12 Months Ended
Fair Value Measurements	Dec. 31, 2025
EPB 001 [Member]
Employee Benefit Plan, Investment, Fair Value and NAV [Line Items]
Fair Value Measurements	Note 3 – Fair Value Measurements The Plan 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: ◦ Quoted prices for similar assets or liabilities in active markets ◦ Quoted prices for identical or similar assets in non-active markets ◦ Inputs other than quoted prices that are observable for the asset or liability ◦ 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 that are significant to the fair value of the assets or liabilities The asset or liability’s fair value measurement level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement. Valuation techniques used need to maximize the use of observable inputs and minimize the use of unobservable inputs. The following is a description of the valuation methodologies used for assets measured at fair value. There have been no changes in the methodologies used at December 31, 2025 or 2024: Common stock and mutual funds : These investments are valued based on quoted market prices at the end of the Plan year. Common collective trust funds : This investment is valued based on the net asset value (“NAV”) of units held by the Plan at year end, as calculated by the issuer, as a practical expedient to estimate fair value. NAV is calculated based on the fair value of the underlying assets owned by the fund, minus its liabilities, divided by the number of units outstanding. The preceding methods described may produce a fair value calculation that may not be indicative of net realizable value or reflective of future fair values. Furthermore, although the Plan believes its valuation methods are appropriate and consistent with other market participants, the use of different methodologies or assumptions to determine the fair value of certain financial instruments could result in a different fair value measurement at the reporting date. The following table sets forth the Plan’s assets at fair value. December 31, 2025 Level 1 Level 2 Level 3 Total Assets Cal-Maine Foods, Inc. common stock $ 150,927,930 $ — $ — $ 150,927,930 Mutual funds 104,260,825 — — 104,260,825 Total assets measured at fair value $ 255,188,755 $ — $ — $ 255,188,755 Investments measured at net asset value* 2,785,871 Investment at fair value $ 257,974,626 December 31, 2024 Level 1 Level 2 Level 3 Total Assets Cal-Maine Foods, Inc. common stock $ 196,595,844 $ — $ — $ 196,595,844 Mutual funds 86,910,290 — — 86,910,290 Total assets measured at fair value $ 283,506,134 $ — $ — $ 283,506,134 Investments measured at net asset value* 2,630,009 Investment at fair value $ 286,136,143 * The investment measured at fair value using the net asset value per share (or its equivalent) practical expedient has not been classified in the fair value hierarchy. The fair value amount included above is intended to permit reconciliation of the fair value hierarchy to the amounts presented in the statements of net assets available for benefits. The following table summarizes investments for which fair value is measured using the NAV per share as a practical expedient. Unfunded Redemption Redemption Fair Value Commitments Frequency Notice Period December 31, 2025 Common collective trust fund $ 2,785,871 N/A Daily None December 31, 2024 Common collective trust fund $ 2,630,009 N/A Daily None

- 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

The entire disclosure for fair value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, fair value measured at net asset value per share as practical expedient (NAV).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
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-Name Accounting Standards Codification
-Section 50
-Paragraph 6A
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-URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A

Reference 2: 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

Statements of Changes in Net Assets Available for Benefits - EPB 001 [Member] - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Investment income:
Dividends	$ 21,173,541	$ 9,198,699
Net change in fair value of investments	(36,204,138)	93,268,425
Total investment income	(15,030,597)	102,467,124
Interest income on notes receivable from participants	473,779	324,534
Contributions
Employer	6,507,322	4,707,505
Participant	9,509,531	7,137,160
Rollover	1,274,936	7,599,899
Total contributions	17,291,789	19,444,564
Total additions	2,734,971	122,236,222
Deductions:
Benefits paid to participants	29,381,294	20,597,917
Administrative expenses	279,340	208,431
Total deductions	29,660,634	20,806,348
Net change in net assets available for benefits	(26,925,663)	101,429,874
Net assets available for benefits, beginning of year	291,151,010	189,721,136
Net assets available for benefits, end of year	$ 264,225,347	$ 291,151,010

Schedule of Assets (Schedule of Assets (Held at End of Year) I) (Details) - EPB 001 [Member]	12 Months Ended
	Dec. 31, 2025
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]
EIN	64-0500378
Employee Benefit Plan Plan Number	001

- Definition

Plan number of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), in three-digit numeric format.

+ References

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+ Details

Risks and Uncertainties (Narrative) (Details)	Dec. 31, 2025	Dec. 31, 2024
EPB 001 [Member] \| Cal-Maine Foods, Inc. Common Stock [Member]
Ebp Risk And Uncertainty [Line Items]
Concertration percent of investments	57.00%	68.00%

Document And Entity Information	12 Months Ended
Document And Entity Information	Dec. 31, 2025
Document And Entity Information [Abstract]
Document Type	11-K
Document Period End Date	Dec. 31, 2025
Entity Registrant Name	CAL-MAINE FOODS, INC.
Amendment Flag	false
Entity Central Index Key	0000016160

Risks and Uncertainties	12 Months Ended
Risks and Uncertainties	Dec. 31, 2025
EPB 001 [Member]
Ebp Risk And Uncertainty [Line Items]
Risk And Uncertainties	Note 4 – Risks and Uncertainties There is a high concentration of the Company's stock owned by the Plan. As of December 31, 2025 and 2024, approximately 57 % and 68 % of the Plan's assets were invested in the Company's common stock, respectively. The Plan invests in various investment securities that are exposed to various risks such as interest rate, market and credit risks. Due to the level of risk associated with certain investment securities, it is at least reasonably possible that changes in the values of investment securities will occur in the near term and that such changes could materially affect the participants' account balances and the amounts reported in the financial statements.