0001562762-23-000287 | 10-K | XBRL Viewer

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Fair Value Measures (Tables)	12 Months Ended
Fair Value Measures (Tables)	Jun. 03, 2023
Fair Value Measures [Abstract]
Schedule Of Assets Measured At Fair Value On A Recurring Basis	June 3, 2023 Level 1 Level 2 Level 3 Balance Assets Municipal bonds $ — $ 16,296 $ — $ 16,296 Commercial paper — 56,409 — 56,409 Corporate bonds — 138,577 — 138,577 Certificates of deposits — 675 — 675 US government and agency obligations — 100,769 — 100,769 Asset backed securities — 13,308 — 13,308 Treasury bills — 29,056 — 29,056 Mutual funds 2,081 — — 2,081 Total assets measured at fair value $ 2,081 $ 355,090 $ — $ 357,171 May 28, 2022 Level 1 Level 2 Level 3 Balance Assets Municipal bonds $ — $ 10,104 $ — $ 10,104 Commercial paper — 14,868 — 14,868 Corporate bonds — 73,684 — 73,684 Certificates of deposits — 1,245 — 1,245 US government and agency obligations — 2,209 — 2,209 Asset backed securities — 13,319 — 13,319 Mutual funds 3,752 — — 3,752 Total assets measured at fair value $ 3,752 $ 115,429 $ — $ 119,181

Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 03, 2023	May 28, 2022
Current assets:
Cash and cash equivalents	$ 292,824	$ 59,084
Investment securities available-for-sale	355,090	115,429
Receivables:
Trade receivables, net	110,980	169,109
Income tax receivable	66,966	42,147
Other	9,267	8,148
Total receivables, net	187,213	219,404
Inventories, net	284,418	263,316
Prepaid expenses and other current assets	5,380	4,286
Total current assets	1,124,925	661,519
Property, plant & equipment, net	744,540	677,796
Investments in unconsolidated entities	14,449	15,530
Goodwill	44,006	44,006
Intangible assets, net	15,897	18,131
Other long-term assets	10,708	10,507
Total assets	1,954,525	1,427,489
Current liabilities:
Trade accounts payable	82,590	82,049
Dividends payable	37,130	36,656
Accrued wages and benefits	38,733	26,059
Income tax payable	8,288	25,687
Accrued expenses and other liabilities	15,990	14,223
Total current liabilities	182,731	184,674
Other noncurrent liabilities	9,999	10,274
Deferred income taxes	152,212	128,196
Total liabilities	344,942	323,144
Commitments and contingencies - see Note 16
Stockholders' equity:
Paid-in capital	72,112	67,989
Retained earnings	1,571,112	1,065,854
Accumulated other comprehensive loss, net of tax	(2,886)	(1,596)
Common stock in treasury at cost - 26,077 and 26,121 shares in 2023 and 2022, respectively	(30,008)	(28,447)
Total Cal-Maine Foods, Inc. stockholders' equity	1,611,081	1,104,551
Noncontrolling interest in consolidated equity	(1,498)	(206)
Total stockholders' equity	1,609,583	1,104,345
Total Liabilities and Stockholders' Equity	1,954,525	1,427,489
Common Stock [Member]
Stockholders' equity:
Common stock	703	703
Class A Convertible Common Stock [Member]
Stockholders' equity:
Common stock	$ 48	$ 48

Document and Entity Information - USD ($)	12 Months Ended
Document and Entity Information - USD ($)	Jun. 03, 2023	Jul. 25, 2023	Nov. 25, 2022
Document Type	10-K
Document Annual Report	true
Document Period End Date	Jun. 03, 2023
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, 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
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 2,435,832,883
Documents Incorporated by Reference	DOCUMENTS INCORPORATED BY REFERENCE The information called for by Part III of this Form 10-K is incorporated herein by reference from the registrant’s Definitive Proxy Statement for its 2023 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 report.
Current Fiscal Year End Date	--06-03
Amendment Flag	false
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Entity Central Index Key	0000016160
Auditor Name	Frost, PLLC
Auditor Firm Id	5348
Auditor Location	Little Rock, Arkansas
Common Stock [Member]
Entity Common Stock, Shares Outstanding		44,184,049
Class A Common Stock [Member]
Entity Common Stock, Shares Outstanding		4,800,000

Investment in Unconsolidated Entities (Schedule Of Transactions With Unconsolidated Affiliates) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 03, 2023	May 28, 2022	May 29, 2021	May 30, 2020
Related Party Transaction [Line Items]
Net income	$ 756,732	$ 132,441	$ 2,060
Total assets	1,954,525	1,427,489
Total liabilities	344,942	323,144
Total equity	1,609,583	1,104,345	1,012,781	$ 1,010,097
Corporate Joint Venture [Member] \| Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Related Party Transaction [Line Items]
Revenues	222,602	145,281	119,853
Net income	1,492	3,942	1,596
Total assets	27,784	42,971	106,592
Total liabilities	9,854	21,892	5,850
Total equity	17,930	21,079	100,742
Unconsolidated Affiliates [Member] \| Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Related Party Transaction [Line Items]
Revenues	136,351	94,311	56,765
Purchases from unconsolidated entities	75,024	60,016	76,059
Distributions from unconsolidated entities	1,500	400	$ 6,663
Accounts receivable from unconsolidated entities	4,719	10,815
Accounts payable to unconsolidated entities	$ 3,187	$ 4,678

Summary of Significant Accounting Policies	12 Months Ended
Summary of Significant Accounting Policies	Jun. 03, 2023
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 primarily engaged in the production, grading, packaging, marketing and distribution of fresh shell eggs, including conventional, cage-free, organic, brown, free -range, pasture-raised and nutritionally-enhanced eggs. The Company, which is headquartered in Ridgeland, Mississippi, is the largest producer and distributor of fresh shell eggs in the United States and sells the majority of its shell eggs in states across the southwestern, southeastern, mid-western and mid-Atlantic regions of the United States. 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 year ended June 3, 2023 , included 53 weeks and the fiscal years ended May 28, 2022 and May 29, 2021 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 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. We primarily utilize a cash management system with a series of separate accounts consisting of lockbox accounts for receiving cash, concentration accounts to which funds are moved, and zero-balance disbursement accounts for funding accounts payable. Checks issued, but not presented to the banks for payment, may result in negative book cash balances, which are included in accounts payable. Investment Securities The Company has determined that its debt securities are available-for-sale investments. We classify these securities 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. Investments in mutual funds are recorded at fair value and are classified as “Other long-term assets” in the Company’s Consolidated Balance Sheets. Unrealized gains and losses for equity securities are recorded in other income (expenses) as Other, net in the Company’s Consolidated Statements of Income. 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 (expenses) 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. Trade Receivables Trade receivables are stated at their carrying values, which include a reserve for credit losses. At June 3, 2023 and May 28, 2022, reserves for credit losses were $ 579 thousand and $ 775 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 June 3, 2023 and May 28, 2022, one customer accounted for approximately 30.1 % and 27.9 % of the Company’s trade accounts receivable, respectively. Inventories Inventories of eggs, feed, supplies and flocks are valued principally at the lower of cost (first-in, first-out method) or net realizable value. 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 . Flock mortality is charged to cost of sales as incurred. The Company does not disclose the gross cost and accumulated amortization with respect to its flock inventories since this information is not utilized by management in the operation of the Company. 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. Repairs and maintenance are expensed as incurred. Expenditures that increase the value or productive capacity of assets are capitalized. 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. The Company capitalizes interest cost incurred on funds used to construct property, plant, and equipment as part of the asset to which it relates and amortizes such cost over the asset’s estimated useful life. 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. The Company is a member of Eggland’s Best, Inc. and ProEgg, Inc., which are cooperatives. These investments are recorded at cost, plus or minus any allocated equities and retains. Goodwill Goodwill represents the excess of the purchase price over the fair value of the identifiable net assets acquired. Goodwill is evaluated for impairment annually 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. During the fourth quarter of 2023, we elected to change the date of our annual impairment assessment from year- end to the first day of the fourth quarter. The change was made to more closely align the impairment assessment date with our annual planning and forecasting process. The change in impairment assessment date did not have any impact on goodwill or the impairment of goodwill. The change has been applied prospectively and would not have an impact on a retrospective basis. Intangible Assets Included in other intangible assets are separable intangible assets acquired in business acquisitions, which include franchise fees, non-compete agreements and customer relationship 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. Accrued Self Insurance We use a combination of insurance and self-insurance mechanisms to provide coverage for the potential liabilities for health and welfare, workers’ compensation, auto liability and general liability risks. Liabilities associated with our risks retained are estimated, in part, by considering claims experience, demographic factors, severity factors and other actuarial assumptions. Dividend Payable We accrue dividends at the end of each quarter according to the Company’s dividend policy adopted by its Board of Directors. The Company pays a dividend to shareholders of its Common Stock and Class A 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 income. Dividends are paid to shareholders 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 shareholders 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. Treasury Stock Treasury stock purchases are accounted for under the cost method whereby the entire cost of the acquired stock is recorded as treasury stock. The grant of restricted stock through the Company’s share-based compensation plans is funded through the issuance of treasury stock. Gains and losses on the subsequent reissuance of shares in accordance with the Company’s share- based compensation plans are credited or charged to paid-in capital in excess of par value using the average-cost method. Revenue Recognition and Delivery Costs Revenue recognition is completed upon satisfaction of the performance obligation to the customer, which typically occurs within days of the Company and customer agreeing upon the order. See Note 13 – Revenue Recognition for further discussion of the policy. The Company believes the performance obligation is met upon delivery and acceptance of the product by our customers. Costs to deliver product to customers are included in selling, general and administrative expenses in the accompanying Consolidated Statements of Income. Sales revenue reported in the accompanying Consolidated Statements of Income is reduced to reflect estimated returns and allowances. The Company records an estimated sales allowance for returns and discounts at the time of sale using historical trends based on actual sales returns and sales. Advertising Costs The Company expensed advertising costs as incurred of $ 3.4 million, $ 12.6 million, and $ 11.7 million in fiscal 2023, 2022, and 2021, 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. Stock Based Compensation The Company recognizes all share-based payments to employees and directors, including grants of employee stock options, restricted stock and performance-based shares, in the Consolidated Statements of Income based on their fair values. The benefits of tax deductions in excess of recognized compensation cost are reported as a financing cash flow. See Note 14 – Stock Compensation Plans for more information. 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. We determine the fair values of identifiable assets and liabilities internally, which requires estimates and the use of various valuation techniques. When a market value is not readily available, our internal valuation methodology considers the remaining estimated life of the assets acquired and what management believes is the market value for those assets. We typically use the income method approach for intangible assets acquired in a business combination. 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. The excess of the purchase price over fair values of identifiable assets and liabilities is recorded as goodwill. Loss Contingencies Certain conditions may exist as of the date the 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 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 No new accounting pronouncement issued or effective during the fiscal year had or is expected to have a material impact on our Consolidated Financial Statements.

Employee Benefit Plans (Narrative) (Details) - USD ($)	12 Months Ended
Employee Benefit Plans (Narrative) (Details) - USD ($)	Jun. 03, 2023	May 28, 2022	May 29, 2021
Defined Benefit Plan Disclosure [Line Items]
Medical claim, maximum per occurrence	$ 275,000
Medical plan expense	21,900,000	$ 24,600,000	$ 21,700,000
Liability recorded for incurred but not reported claims	2,900,000	2,800,000
Postretirement expense liability	2,700,000	3,400,000
SERP, possible aggregate retirement benefit amount	500,000
SERP, annual payments	$ 50,000
SERP, term	10 years
SERP, vesting period	5 years
SERP, vesting percent per year	20.00%
SERP, vesting percent upon disablement	100.00%
Postemployment medical benefits liability	$ 63,000
KSOP [Member]
Defined Benefit Plan Disclosure [Line Items]
Company matching contribution percentage	3.00%
Company cash contribution	$ 4,300,000	$ 3,900,000	$ 3,800,000
Compare share contribution	0	0	0
Certain Officers [Member]
Defined Benefit Plan Disclosure [Line Items]
Deferred compensation agreement, amount of years required for payment	65 years
Payments made under plan	$ 170,000	$ 170,000	$ 170,000
Liability related to deferred compensation agreements	$ 1,000,000.0	1,100,000
Officers [Member]
Defined Benefit Plan Disclosure [Line Items]
Deferred compensation agreement, amount of years required for payment	60 years
Deferred compensation agreement, minimum service years required for payment	5 years
Payments made under plan	$ 410,000	480,000	55,000
Liability related to deferred compensation agreements	4,600,000	4,500,000	4,100,000
Awards issued under deferred compensation plan	388,000	340,000	279,000
Deferred compensation expense	$ 346,000	$ 258,000	$ 1,600,000

Property, Plant and Equipment	12 Months Ended
Property, Plant and Equipment	Jun. 03, 2023
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): June 3, 2023 May 28, 2022 Land and improvements $ 117,279 $ 109,833 Buildings and improvements 552,669 517,859 Machinery and equipment 715,205 655,925 Construction-in-progress 98,605 71,967 1,483,758 1,355,584 Less: accumulated depreciation 739,218 677,788 $ 744,540 $ 677,796 Depreciation expense was $ 69.4 million, $ 65.8 million and $ 56.5 million in the fiscal years ended June 3, 2023, May 28, 2022, and May 29, 2021, respectively. The Company maintains insurance for both property damage and business interruption relating to catastrophic events, such as fires. Insurance recoveries received for property damage and business interruption in excess of the net book value of damaged assets, clean-up and demolition costs, and post-event costs are recorded within “Gain on insurance recoveries” in the period received or committed when all contingencies associated with the recoveries are resolved. Losses related to property damage are recorded within “(Gains) loss on disposal of fixed assets”. Insurance recoveries relating to direct, recoverable costs for business interruption are recorded as a reduction in cost of sales on the Consolidated Statements of Income. Insurance claims incurred or finalized during the fiscal years ended June 3, 2023, May 28, 2022, and May 29, 2021 did not have a material effect on the Company’s consolidated financial statements.

Goodwill and Other Intangible Assets (Schedule of Estimated Amortization Of Intangible Assets) (Details) $ in Thousands	Jun. 03, 2023 USD ($)
Goodwill and Other Intangible Assets [Abstract]
2024	$ 2,170
2025	2,035
2026	1,831
2027	1,828
2028	1,758
Thereafter	5,555
Total	$ 15,177

Stock Compensation Plan (Summary of Equity Award Activity) (Details) - $ / shares	12 Months Ended
	Jun. 03, 2023	May 28, 2022
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Number of Shares, Outstanding, Beginning Balance (in shares)	317,844	302,147
Number of Shares, Granted (in shares)	84,969	113,142
Number of Shares, Vested (in shares)	(98,684)	(92,918)
Number of Shares, Forfeited (in shares)	(9,989)	(4,527)
Number of Shares, Outstanding, Ending Balance (in shares)	294,140	317,844
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)	$ 39.12	$ 39.37
Weighted Average Grant Date Fair Value, Granted (in dollars per share)	54.10	41.13
Weighted Average Grant Date Fair Value, Vested (in dollars per share)	38.25	42.45
Weighted Average Grant Date Fair Value, Forfeited (in dollars per share)	39.69	38.01
Weighted Average Grant Date Fair Value, Outstanding, Ending Balance (in dollars per share)	$ 43.72	$ 39.12

Stock Compensation Plan (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 03, 2023	May 28, 2022	May 29, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense (benefit)	$ 4.2	$ 4.1	$ 3.8
2012 Omnibus Long-Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Incentive plan shares authorized (in shares)	2,000,000
Shares remaining for issuance	941,593
Unrecognized compensation expense	$ 7.2	$ 7.0
Weighted average period of unrecognized compensation expense	2 years 1 month 6 days

Income Taxes (Narrative) (Details)	Jun. 03, 2023 USD ($)
Tax Credit Carryforward [Line Items]
Unrecognized tax benefits	$ 0
Income tax penalties and interest accrued	$ 0

Goodwill and Other Intangible Assets (Tables)	12 Months Ended
Goodwill and Other Intangible Assets (Tables)	Jun. 03, 2023
Goodwill and Other Intangible Assets [Abstract]
Summary Of Goodwill And Other Intangible Assets	Other Intangibles Franchise Customer Non-compete Right of Water Total Goodwill rights relationships agreements Use rights Trademark intangibles Balance May 29, 2021 $ 35,525 $ 16,699 $ 1,688 $ 1,019 $ 29 $ 720 $ 186 $ 55,866 Additions 8,481 — — — 10 — — 8,491 Amortization — (1,628) (362) (159) (21) — (50) (2,220) Balance May 28, 2022 44,006 15,071 1,326 860 18 720 136 62,137 Amortization — (1,657) (356) (152) (18) — (51) (2,234) Balance June 3, 2023 $ 44,006 $ 13,414 $ 970 $ 708 $ — $ 720 $ 85 $ 59,903
Schedule Of Other Intangibles	June 3, 2023 May 28, 2022 Gross carrying Accumulated Gross carrying Accumulated amount amortization amount amortization Other intangible assets: Franchise rights $ 29,284 $ (15,870) $ 29,284 $ (14,213) Customer relationships 9,644 (8,674) 9,644 (8,318) Non-compete agreements 1,450 (742) 1,450 (590) Right of use intangible 239 (239) 239 (221) Water rights * 720 — 720 — Trademark 400 (315) 400 (264) Total $ 41,737 $ (25,840) $ 41,737 $ (23,606) * Water rights are an indefinite life intangible asset.
Schedule Of Estimated Amortization Of Intangible Assets	For fiscal year Estimated amortization expense 2024 $ 2,170 2025 2,035 2026 1,831 2027 1,828 2028 1,758 Thereafter 5,555 Total $ 15,177

Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Jun. 03, 2023	May 28, 2022	May 29, 2021
Dividends per share	$ 5.161	$ 0.874	$ 0.034

Inventories (Schedule Of Cost Of Sales Amortization And Mortality) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 03, 2023	May 28, 2022	May 29, 2021
Inventories [Abstract]
Amortization	$ 186,973	$ 160,107	$ 133,448
Mortality	10,455	8,011	6,769
Total flock costs charged to cost of sales	$ 197,428	$ 168,118	$ 140,217

Acquisition (Allocation of Purchase Price) (Details) - USD ($) $ in Thousands	May 30, 2021	Jun. 03, 2023	May 28, 2022	May 29, 2021
Business Acquisition [Line Items]
Goodwill		$ 44,006	$ 44,006	$ 35,525
Red River Valley Egg Farm Llc [Member]
Business Acquisition [Line Items]
Cash consideration paid	$ 48,500
Fair value of the Company's equity interest in Red River held before the business combination	48,500
Business combination, consideration transferred	97,000
Cash	3,677
Accounts receivable, net	1,980
Inventory	8,789
Property, plant and equipment	85,002
Liabilities assumed	(2,448)
Deferred income taxes	(8,481)
Total identifiable assets, net	88,519
Goodwill	8,481
Total identifiable assets and goodwill, net	$ 97,000

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
	Jun. 03, 2023	May 28, 2022	May 29, 2021
Net Income per Common Share [Abstract]
Net income	$ 756,732	$ 132,441	$ 2,060
Less: Net loss attributable to noncontrolling interest	(1,292)	(209)	0
Net income attributable to Cal-Maine Foods, Inc.	$ 758,024	$ 132,650	$ 2,060
Denominator
Weighted-average common shares outstanding, basic (in shares)	48,648	48,581	48,522
Effect of dilutive restricted shares (in shares)	186	153	134
Weighted-average common shares outstanding, diluted (in shares)	48,834	48,734	48,656
Net income per common share attributable to Cal-Maine Foods, Inc.
Basic (in dollars per share)	$ 15.58	$ 2.73	$ 0.04
Diluted (in dollars per share)	$ 15.52	$ 2.72	$ 0.04

Investment Securities (Tables)	12 Months Ended
Investment Securities (Tables)	Jun. 03, 2023
Investments Securities [Abstract]
Schedule Of Investment Securities	June 3, 2023 Amortized Cost Unrealized Gains Unrealized Losses Estimated Fair Value Municipal bonds $ 16,571 $ — $ 275 $ 16,296 Commercial paper 56,486 — 77 56,409 Corporate bonds 139,979 — 1,402 138,577 Certificates of deposits 675 — — 675 US government and agency obligations 101,240 — 471 100,769 Asset backed securities 13,459 — 151 13,308 Treasury bills 29,069 — 13 29,056 Total current investment securities $ 357,479 $ — $ 2,389 $ 355,090 Mutual funds $ 2,172 $ — $ 91 $ 2,081 Total noncurrent investment securities $ 2,172 $ — $ 91 $ 2,081 May 28, 2022 Amortized Cost Unrealized Gains Unrealized Losses Estimated Fair Value Municipal bonds $ 10,136 $ — $ 32 $ 10,104 Commercial paper 14,940 — 72 14,868 Corporate bonds 74,167 — 483 73,684 Certificates of deposits 1,263 — 18 1,245 US government and agency obligations 2,205 4 — 2,209 Asset backed securities 13,456 — 137 13,319 Total current investment securities $ 116,167 $ 4 $ 742 $ 115,429 Mutual funds $ 3,826 $ — $ 74 $ 3,752 Total noncurrent investment securities $ 3,826 $ — $ 74 $ 3,752
Schedule Of Contractual Maturities Of Investment Securities	Estimated Fair Value Within one year $ 269,830 1-5 years 85,260 Total $ 355,090

Inventories (Tables)	12 Months Ended
Inventories (Tables)	Jun. 03, 2023
Inventories [Abstract]
Schedule of Inventories	June 3, 2023 May 28, 2022 Flocks, net of amortization $ 164,540 $ 144,051 Eggs and egg products 28,318 26,936 Feed and supplies 91,560 92,329 $ 284,418 $ 263,316
Schedule of Cost of Sales Amortization and Mortality	June 3, 2023 May 28, 2022 May 29, 2021 Amortization $ 186,973 $ 160,107 $ 133,448 Mortality 10,455 8,011 6,769 Total flock costs charged to cost of sales $ 197,428 $ 168,118 $ 140,217

Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	Paid In Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [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 May. 30, 2020	$ 1,010,097	$ 703	$ (26,674)	$ 60,372	$ 975,569	$ 79			$ 48
Balance (in shares) at May. 30, 2020		70,261
Balance (in shares) at May. 30, 2020			26,287						4,800
Stock compensation plan transactions	2,908		$ (759)	3,667
Stock compensation plan transactions (in shares)			(85)
Dividends	(1,489)				(1,489)			$ (163)		$ (163)
Contributions	5			5
Net income (loss)	2,060				2,060
Other comprehensive loss, net of tax	(637)					(637)
Ending balance at May. 29, 2021	1,012,781	$ 703	$ (27,433)	64,044	975,977	(558)			$ 48
Balance (in shares) at May. 29, 2021		70,261
Balance (in shares) at May. 29, 2021			26,202						4,800
Stock compensation plan transactions	2,931		$ (1,014)	3,945
Stock compensation plan transactions (in shares)			(81)
Dividends	(38,578)				(38,578)			(4,195)		(4,195)
Contributions	3						$ 3
Net income (loss)	132,441				132,650		(209)
Other comprehensive loss, net of tax	(1,038)					(1,038)
Ending balance at May. 28, 2022	1,104,345	$ 703	$ (28,447)	67,989	1,065,854	(1,596)	(206)		$ 48
Balance (in shares) at May. 28, 2022		70,261
Balance (in shares) at May. 28, 2022			26,121						4,800
Stock compensation plan transactions	2,562		$ (1,561)	4,123
Stock compensation plan transactions (in shares)			(44)
Dividends	(227,993)				(227,993)			$ (24,773)		$ (24,773)
Net income (loss)	756,732				758,024		(1,292)
Other comprehensive loss, net of tax	(1,290)					(1,290)
Ending balance at Jun. 03, 2023	$ 1,609,583	$ 703	$ (30,008)	$ 72,112	$ 1,571,112	$ (2,886)	$ (1,498)		$ 48
Balance (in shares) at Jun. 03, 2023		70,261
Balance (in shares) at Jun. 03, 2023			26,077						4,800

- Definition

Amount after tax and reclassification adjustments of other comprehensive income (loss).

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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+ Details

Fair Value Measures	12 Months Ended
Fair Value Measures	Jun. 03, 2023
Fair Value Measures [Abstract]
Fair Value Measures	Note 4 - Fair Value Measures 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 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 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 June 3, 2023 and May 28, 2022 (in thousands): June 3, 2023 Level 1 Level 2 Level 3 Balance Assets Municipal bonds $ — $ 16,296 $ — $ 16,296 Commercial paper — 56,409 — 56,409 Corporate bonds — 138,577 — 138,577 Certificates of deposits — 675 — 675 US government and agency obligations — 100,769 — 100,769 Asset backed securities — 13,308 — 13,308 Treasury bills — 29,056 — 29,056 Mutual funds 2,081 — — 2,081 Total assets measured at fair value $ 2,081 $ 355,090 $ — $ 357,171 May 28, 2022 Level 1 Level 2 Level 3 Balance Assets Municipal bonds $ — $ 10,104 $ — $ 10,104 Commercial paper — 14,868 — 14,868 Corporate bonds — 73,684 — 73,684 Certificates of deposits — 1,245 — 1,245 US government and agency obligations — 2,209 — 2,209 Asset backed securities — 13,319 — 13,319 Mutual funds 3,752 — — 3,752 Total assets measured at fair value $ 3,752 $ 115,429 $ — $ 119,181 Investment securities – available-for-sale classified as Level 2 consist of securities with maturities of three months or longer when purchased. We classified these securities as current, because amounts invested are available for current operations. Observable inputs for these securities are yields, credit risks, default rates, and volatility.

- 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.

+ References + Details

Acquisition (Tables)	12 Months Ended
Acquisition (Tables)	Jun. 03, 2023
Acquisition [Abstract]
Allocation of Purchase Price	Cash consideration paid $ 48,500 Fair value of the Company's equity interest in Red River held before the business combination 48,500 $ 97,000 Recognized amounts of identifiable assets acquired and liabilities assumed Cash $ 3,677 Accounts receivable, net 1,980 Inventory 8,789 Property, plant and equipment 85,002 Liabilities assumed (2,448) Deferred income taxes (8,481) Total identifiable net assets 88,519 Goodwill 8,481 $ 97,000

Goodwill and Other Intangible Assets (Schedule of Other Intangibles) (Details) - USD ($) $ in Thousands	Jun. 03, 2023	May 28, 2022	May 29, 2021
Schedule of Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 41,737	$ 41,737
Accumulated amortization	(25,840)	(23,606)
Franchise Rights [Member]
Schedule of Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite-lived	29,284	29,284
Accumulated amortization	(15,870)	(14,213)
Customer Relationships [Member]
Schedule of Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite-lived	9,644	9,644
Accumulated amortization	(8,674)	(8,318)
Noncompete Agreements [Member]
Schedule of Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite-lived	1,450	1,450
Accumulated amortization	(742)	(590)
Right Of Use Intangible [Member]
Schedule of Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite-lived	239	239
Accumulated amortization	(239)	(221)
Trademarks [Member]
Schedule of Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, finite-lived	400	400
Accumulated amortization	315	264
Water Rights [Member]
Schedule of Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, indefinite-lived	$ 720	$ 720	$ 720

Investment in Unconsolidated Entities	12 Months Ended
Investment in Unconsolidated Entities	Jun. 03, 2023
Investment in Unconsolidated Entities [Abstract]
Investment in Unconsolidated Entities	Note 7 - Investment in Unconsolidated Entities As of June 3, 2023 and May 28, 2022, the Company owned 50 % in Specialty Eggs, LLC (“Specialty Eggs”) and 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). As of May 29, 2021, the Company owned 50 % in Red River which was acquired at the beginning of fiscal 2022 (see Note 2 – Acquisition ). The Company accounted for Red River using the equity method of accounting in fiscal 2021. Equity method investments are included in “Investments in unconsolidated entities” in the accompanying Consolidated Balance Sheets and totaled $ 9.7 million and $ 10.5 million at June 3, 2023 and May 28, 2022, respectively. Equity in income of unconsolidated entities of $ 746 thousand, $ 1.9 million, and $ 622 thousand from these entities has been included in the Consolidated Statements of Income for fiscal 2023 , 2022, and 2021, respectively. The condensed consolidated financial information for the Company’s unconsolidated joint ventures was as follows (in thousands): For the fiscal year ended June 3, 2023 May 28, 2022 May 29, 2021 Net sales $ 222,602 $ 145,281 $ 119,853 Net income 1,492 3,942 1,596 Total assets 27,784 42,971 106,592 Total liabilities 9,854 21,892 5,850 Total equity 17,930 21,079 100,742 The following relates to the Company’s transactions with these unconsolidated affiliates (in thousands): For the fiscal year ended June 3, 2023 May 28, 2022 May 29, 2021 Sales to unconsolidated entities $ 136,351 $ 94,311 $ 56,765 Purchases from unconsolidated entities 75,024 60,016 76,059 Distributions from unconsolidated entities 1,500 400 6,663 June 3, 2023 May 28, 2022 Accounts receivable from unconsolidated entities $ 4,719 $ 10,815 Accounts payable to unconsolidated entities 3,187 4,678

Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 03, 2023	May 28, 2022	May 29, 2021
Goodwill and Other Intangible Assets [Abstract]
Aggregate amortization expense for intangible assets	$ 2,234	$ 2,220	$ 2,500

Stock Compensation Plan	12 Months Ended
Stock Compensation Plan	Jun. 03, 2023
Stock Compensation Plans [Abstract]
Stock Compensation Plans	Note 14 - Stock Compensation Plans On October 2, 2020, shareholders approved the Amended and Restated Cal-Maine Foods, Inc. 2012 Omnibus Long-Term Incentive Plan (the “LTIP Plan”). The purpose of the LTIP Plan is to assist us and our subsidiaries in attracting and retaining selected individuals who are expected to contribute to our long-term success. The maximum number of shares of Common Stock available for awards under the LTIP Plan is 2,000,000 of which 941,593 shares remain available for issuance, and may be authorized but unissued shares or treasury shares. Awards may be granted under the LTIP Plan to any employee, any non- employee member of the Company’s Board of Directors, 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). The only outstanding awards under the LTIP Plan are restricted stock awards. The restricted stock 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 was $ 4.2 million, $ 4.1 million, and $ 3.8 million in fiscal 2023, 2022, and 2021, respectively. Our unrecognized compensation expense as a result of non-vested shares was $ 7.2 million at June 3, 2023 and $ 7.0 million at May 28, 2022. The unrecognized compensation expense will be amortized to stock compensation expense over a period of 2.1 years. A summary of our equity award activity and related information for our restricted stock is as follows: Number of Shares Weighted Average Grant Date Fair Value Outstanding, May 29, 2021 302,147 $ 39.37 Granted 113,142 41.13 Vested (92,918) 42.45 Forfeited (4,527) 38.01 Outstanding, May 28, 2022 317,844 $ 39.12 Granted 84,969 54.10 Vested (98,684) 38.25 Forfeited (9,989) 39.69 Outstanding, June 3, 2023 294,140 $ 43.72

Revenue Recognition (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Jun. 03, 2023	May 28, 2022	Jun. 03, 2023	May 28, 2022	May 29, 2021
Disaggregation of Revenue [Line Items]
Net sales	$ 688,680	$ 592,964	$ 3,146,217	$ 1,777,159	$ 1,348,987
Conventional shell egg sales [Member]
Disaggregation of Revenue [Line Items]
Net sales	395,433	378,190	2,051,961	1,061,995
Specialty shell egg sales [Member]
Disaggregation of Revenue [Line Items]
Net sales	256,190	186,518	956,993	648,838
Egg products [Member]
Disaggregation of Revenue [Line Items]
Net sales	33,996	26,488	122,270	60,004
Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 3,061	$ 1,768	$ 14,993	$ 6,322

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 30
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045

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-Name Accounting Standards Codification
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+ Details

Inventories (Schedule Of Inventories) (Details) - USD ($) $ in Thousands	Jun. 03, 2023	May 28, 2022
Inventories [Abstract]
Flocks, net of amortization	$ 164,540	$ 144,051
Eggs and egg products	28,318	26,936
Feed and supplies	91,560	92,329
Total inventories	$ 284,418	$ 263,316

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 03, 2023	May 28, 2022	May 29, 2021
Consolidated Statements of Income [Abstract]
Net sales	$ 3,146,217	$ 1,777,159	$ 1,348,987
Cost of sales	1,949,760	1,440,100	1,188,326
Gross profit	1,196,457	337,059	160,661
Selling, general and administrative	232,207	198,631	183,943
Gain on insurance recoveries	(3,345)	(5,492)	0
(Gain) loss on disposal of fixed assets	(131)	383	2,982
Operating income (loss)	967,726	143,537	(26,264)
Other income (expense):
Interest expense	(583)	(403)	(213)
Interest income	18,553	988	2,828
Patronage dividends	10,239	10,130	9,004
Equity in income of unconsolidated entities	746	1,943	622
Other, net	1,869	9,820	4,074
Total other income	30,824	22,478	16,315
Income (loss) before income taxes	998,550	166,015	(9,949)
Income tax expense (benefit)	241,818	33,574	(12,009)
Net income	756,732	132,441	2,060
Less: Net loss attributable to noncontrolling interest	(1,292)	(209)	0
Net income attributable to Cal-Maine Foods, Inc.	$ 758,024	$ 132,650	$ 2,060
Net income per common share:
Basic (in dollars per share)	$ 15.58	$ 2.73	$ 0.04
Diluted (in dollars per share)	$ 15.52	$ 2.72	$ 0.04
Weighted average shares outstanding:
Basic (in shares)	48,648	48,581	48,522
Diluted (in shares)	48,834	48,734	48,656

Schedule II Valuation and Qualifying Accounts (Details) - SEC Schedule, 12-09, Allowance, Credit Loss [Member] - USD ($) $ in Thousands	12 Months Ended
	Jun. 03, 2023	May 28, 2022	May 29, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 775	$ 795	$ 743
Charged to Cost and Expense	(148)	30	135
Write-off of Accounts	48	50	83
Balance at End of Period	$ 579	$ 775	$ 795

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jun. 03, 2023	May 28, 2022	May 29, 2021
Cash flows from operating activities:
Net income	$ 756,732	$ 132,441	$ 2,060
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	72,234	68,395	59,477
Deferred income taxes	24,467	5,676	22,351
Equity in income of affiliates	(746)	(1,943)	(622)
Gain on insurance recoveries	(3,345)	(5,492)	0
Net proceeds from insurance settlement - business interruption	3,345	0	0
(Gain) loss on disposal of property, plant and equipment	(131)	383	2,982
Stock compensation expense, net of amounts paid	4,205	4,063	3,778
Unrealized (gain) loss on investments	17	(745)	1,810
(Gain) loss on sales of investments	60	(2,208)	(22)
Purchases of equity securities	(85)	(356)	(334)
Sales of equity securities	1,739	4,939	55
Amortization (accretion) of investments	(4,380)	977	890
Impairment of investment in affiliate	2,000	0	0
Gain on change in fair value of investment in affiliates	0	(4,545)	0
Other	35	(109)	(231)
Change in operating assets and liabilities, net of effects from acquisitions:
Increase (decrease) in receivables and other assets	30,816	(93,897)	(33,487)
Increase in inventories	(21,102)	(36,152)	(31,159)
Increase (decrease) in accounts payable, accrued expenses and other liabilities	(2,851)	54,782	(1,412)
Net cash provided by operating activities	863,010	126,209	26,136
Cash flows from investing activities:
Purchases of investments	(530,781)	(98,243)	(88,283)
Sales of investments	291,832	92,703	129,108
Acquisition of business, net of cash acquired	0	(44,823)	0
Investment in unconsolidated entities	(1,673)	(3,000)	0
Distributions from unconsolidated entities	1,500	400	6,663
Purchases of property, plant and equipment	(136,569)	(72,399)	(95,069)
Net proceeds from insurance settlement - property, plant and equipment	0	7,655	0
Net proceeds from disposal of property, plant and equipment	580	686	3,390
Net cash used in investing activities	(375,111)	(117,021)	(44,191)
Cash flows from financing activities:
Principal payments on finance lease	(224)	(215)	(205)
Purchase of common stock by treasury	(1,643)	(1,127)	(871)
Payments of dividends	(252,292)	(6,117)	(1,652)
Contributions	0	3	5
Net cash used in financing activities	(254,159)	(7,456)	(2,723)
Increase (decrease) in cash and cash equivalents	233,740	1,732	(20,778)
Cash and cash equivalents at beginning of year	59,084	57,352	78,130
Cash and cash equivalents at end of year	292,824	59,084	57,352
Supplemental information:
Cash paid for operating leases	648	805	929
Income taxes paid	258,247	1,747	995
Interest paid	$ 561	$ 379	$ 508

Revenue Recognition (Tables)	12 Months Ended
Revenue Recognition (Tables)	Jun. 03, 2023
Revenue Recognition [Abstract]
Disaggregation of Revenue	14 Weeks Ended 13 Weeks Ended 53 Weeks Ended 52 Weeks Ended June 3, 2023 May 28, 2022 June 3, 2023 May 28, 2022 Conventional shell egg sales $ 395,433 $ 378,190 $ 2,051,961 $ 1,061,995 Specialty shell egg sales 256,190 186,518 956,993 648,838 Egg products 33,996 26,488 122,270 60,004 Other 3,061 1,768 14,993 6,322 $ 688,680 $ 592,964 $ 3,146,217 $ 1,777,159

Acquisition	12 Months Ended
Acquisition	Jun. 03, 2023
Acquisition [Abstract]
Acquisition	Note 2 – Acquisition Effective on May 30, 2021, the Company acquired the remaining 50 % membership interest in Red River Valley Egg Farm, LLC (“Red River”), including certain liabilities. As a result of the acquisition, Red River became a wholly owned subsidiary of the Company. Red River owns and operates a specialty shell egg production complex with approximately 1.7 million cage-free laying hens, cage-free pullet capacity, feed mill, processing plant, related offices and outbuildings and related equipment located on approximately 400 acres near Bogata, Texas. The following table summarizes the consideration paid for Red River and the amounts of the assets acquired and liabilities assumed recognized at the acquisition date: Cash consideration paid $ 48,500 Fair value of the Company's equity interest in Red River held before the business combination 48,500 $ 97,000 Recognized amounts of identifiable assets acquired and liabilities assumed Cash $ 3,677 Accounts receivable, net 1,980 Inventory 8,789 Property, plant and equipment 85,002 Liabilities assumed (2,448) Deferred income taxes (8,481) Total identifiable net assets 88,519 Goodwill 8,481 $ 97,000 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. Inventory consisted primarily of flock, feed ingredients, packaging, and egg inventory. Flock inventory was valued at carrying value as management believes that their carrying value best approximates their fair value. Feed ingredients, packaging and egg inventory were all valued based on market prices as of May 30, 2021. 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. The Company recognized a gain of $ 4.5 million as a result of remeasuring to fair value its 50 % equity interest in Red River held before the business combination. The gain was recorded in other income and expense under the heading “Other, net” in the Company’s Condensed Consolidated Statements of Income. The acquisition of Red River resulted in a discrete tax benefit of $ 8.3 million, which includes a $ 7.3 million decrease in deferred income tax expense related to the outside-basis of our equity investment in Red River, with a corresponding non-recurring, non-cash $ 955,000 reduction to income taxes expense on the non- taxable remeasurement gain associated with the acquisition. As part of the acquisition accounting, the Company also recorded an $ 8.5 million deferred tax liability for the difference in the inside-basis of the acquired assets and liabilities assumed. The recognition of deferred tax liabilities resulted in the recognition of goodwill. None of the goodwill recognized is expected to be deductible for income tax purposes.

Summary of Significant Accounting Policies (Policy)	12 Months Ended
Summary of Significant Accounting Policies (Policy)	Jun. 03, 2023
Summary of Significant Accounting Policies [Abstract]
Nature of Operations	Nature of Operations Cal-Maine Foods, Inc. (“we,” “us,” “our,” or the “Company”) is primarily engaged in the production, grading, packaging, marketing and distribution of fresh shell eggs, including conventional, cage-free, organic, brown, free -range, pasture-raised and nutritionally-enhanced eggs. The Company, which is headquartered in Ridgeland, Mississippi, is the largest producer and distributor of fresh shell eggs in the United States and sells the majority of its shell eggs in states across the southwestern, southeastern, mid-western and mid-Atlantic regions of the United States.
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 year ended June 3, 2023 , included 53 weeks and the fiscal years ended May 28, 2022 and May 29, 2021 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 Equivalents	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. We primarily utilize a cash management system with a series of separate accounts consisting of lockbox accounts for receiving cash, concentration accounts to which funds are moved, and zero-balance disbursement accounts for funding accounts payable. Checks issued, but not presented to the banks for payment, may result in negative book cash balances, which are included in accounts payable.
Investment Securities	Investment Securities The Company has determined that its debt securities are available-for-sale investments. We classify these securities 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. Investments in mutual funds are recorded at fair value and are classified as “Other long-term assets” in the Company’s Consolidated Balance Sheets. Unrealized gains and losses for equity securities are recorded in other income (expenses) as Other, net in the Company’s Consolidated Statements of Income. 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 (expenses) 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.
Trade Receivables	Trade Receivables Trade receivables are stated at their carrying values, which include a reserve for credit losses. At June 3, 2023 and May 28, 2022, reserves for credit losses were $ 579 thousand and $ 775 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 June 3, 2023 and May 28, 2022, one customer accounted for approximately 30.1 % and 27.9 % of the Company’s trade accounts receivable, respectively.
Inventories	Inventories Inventories of eggs, feed, supplies and flocks are valued principally at the lower of cost (first-in, first-out method) or net realizable value. 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 . Flock mortality is charged to cost of sales as incurred. The Company does not disclose the gross cost and accumulated amortization with respect to its flock inventories since this information is not utilized by management in the operation of the Company.
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. Repairs and maintenance are expensed as incurred. Expenditures that increase the value or productive capacity of assets are capitalized. 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. The Company capitalizes interest cost incurred on funds used to construct property, plant, and equipment as part of the asset to which it relates and amortizes such cost over the asset’s estimated useful life. 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. The Company is a member of Eggland’s Best, Inc. and ProEgg, Inc., which are cooperatives. These investments are recorded at cost, plus or minus any allocated equities and retains.
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 annually 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. During the fourth quarter of 2023, we elected to change the date of our annual impairment assessment from year- end to the first day of the fourth quarter. The change was made to more closely align the impairment assessment date with our annual planning and forecasting process. The change in impairment assessment date did not have any impact on goodwill or the impairment of goodwill. The change has been applied prospectively and would not have an impact on a retrospective basis.
Intangible Assets	Intangible Assets Included in other intangible assets are separable intangible assets acquired in business acquisitions, which include franchise fees, non-compete agreements and customer relationship 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.
Accrued Self Insurance	Accrued Self Insurance We use a combination of insurance and self-insurance mechanisms to provide coverage for the potential liabilities for health and welfare, workers’ compensation, auto liability and general liability risks. Liabilities associated with our risks retained are estimated, in part, by considering claims experience, demographic factors, severity factors and other actuarial assumptions.
Dividends Payable	Dividend Payable We accrue dividends at the end of each quarter according to the Company’s dividend policy adopted by its Board of Directors. The Company pays a dividend to shareholders of its Common Stock and Class A 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 income. Dividends are paid to shareholders 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 shareholders 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.
Treasury Stock	Treasury Stock Treasury stock purchases are accounted for under the cost method whereby the entire cost of the acquired stock is recorded as treasury stock. The grant of restricted stock through the Company’s share-based compensation plans is funded through the issuance of treasury stock. Gains and losses on the subsequent reissuance of shares in accordance with the Company’s share- based compensation plans are credited or charged to paid-in capital in excess of par value using the average-cost method.
Revenue Recognition and Delivery Costs	Revenue Recognition and Delivery Costs Revenue recognition is completed upon satisfaction of the performance obligation to the customer, which typically occurs within days of the Company and customer agreeing upon the order. See Note 13 – Revenue Recognition for further discussion of the policy. The Company believes the performance obligation is met upon delivery and acceptance of the product by our customers. Costs to deliver product to customers are included in selling, general and administrative expenses in the accompanying Consolidated Statements of Income. Sales revenue reported in the accompanying Consolidated Statements of Income is reduced to reflect estimated returns and allowances. The Company records an estimated sales allowance for returns and discounts at the time of sale using historical trends based on actual sales returns and sales.
Advertising Costs	Advertising Costs The Company expensed advertising costs as incurred of $ 3.4 million, $ 12.6 million, and $ 11.7 million in fiscal 2023, 2022, and 2021, 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.
Stock Based Compensation	Stock Based Compensation The Company recognizes all share-based payments to employees and directors, including grants of employee stock options, restricted stock and performance-based shares, in the Consolidated Statements of Income based on their fair values. The benefits of tax deductions in excess of recognized compensation cost are reported as a financing cash flow. See Note 14 – Stock Compensation Plans for more information.
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. We determine the fair values of identifiable assets and liabilities internally, which requires estimates and the use of various valuation techniques. When a market value is not readily available, our internal valuation methodology considers the remaining estimated life of the assets acquired and what management believes is the market value for those assets. We typically use the income method approach for intangible assets acquired in a business combination. 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. The excess of the purchase price over fair values of identifiable assets and liabilities is recorded as goodwill.
Loss Contingencies	Loss Contingencies Certain conditions may exist as of the date the 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 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 No new accounting pronouncement issued or effective during the fiscal year had or is expected to have a material impact on our Consolidated Financial Statements.

Goodwill and Other Intangible Assets (Summary of Goodwill and Other Intangible Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 03, 2023	May 28, 2022	May 29, 2021
Goodwill
Goodwill, Balance	$ 44,006	$ 35,525
Additions		8,481
Goodwill, Balance	44,006	44,006	$ 35,525
Other intangibles, Finite-Lived
Other intangibles, Amortization	(2,234)	(2,220)	(2,500)
Other Intangibles, Finite-Lived, Balance	15,177
Intangible Assets Net Including Goodwill [Abstract]
Total intangibles, Balance	62,137	55,866
Total intangibles, Additions		8,491
Total intangibles, Amortization	(2,234)	(2,220)	(2,500)
Total intangibles, Balance	59,903	62,137	55,866
Water Rights [Member]
Indefinite-lived Intangible Assets [Roll Forward]
Other Intangibles, Indefinite-Lived, Balance	720	720
Other Intangibles, Indefinite-Lived, Balance	720	720	720
Franchise Rights [Member]
Other intangibles, Finite-Lived
Other Intangibles, Finite-Lived, Balance	15,071	16,699
Other Intangibles, Additions		0
Other intangibles, Amortization	(1,657)	(1,628)
Other Intangibles, Finite-Lived, Balance	13,414	15,071	16,699
Intangible Assets Net Including Goodwill [Abstract]
Total intangibles, Amortization	(1,657)	(1,628)
Customer Relationships [Member]
Other intangibles, Finite-Lived
Other Intangibles, Finite-Lived, Balance	1,326	1,688
Other Intangibles, Additions		0
Other intangibles, Amortization	(356)	(362)
Other Intangibles, Finite-Lived, Balance	970	1,326	1,688
Intangible Assets Net Including Goodwill [Abstract]
Total intangibles, Amortization	(356)	(362)
Noncompete Agreements [Member]
Other intangibles, Finite-Lived
Other Intangibles, Finite-Lived, Balance	860	1,019
Other Intangibles, Additions		0
Other intangibles, Amortization	(152)	(159)
Other Intangibles, Finite-Lived, Balance	708	860	1,019
Intangible Assets Net Including Goodwill [Abstract]
Total intangibles, Amortization	(152)	(159)
Right Of Use Intangible [Member]
Other intangibles, Finite-Lived
Other Intangibles, Finite-Lived, Balance	18	29
Other Intangibles, Additions		10
Other intangibles, Amortization	(18)	(21)
Other Intangibles, Finite-Lived, Balance	0	18	29
Intangible Assets Net Including Goodwill [Abstract]
Total intangibles, Amortization	(18)	(21)
Trademarks [Member]
Other intangibles, Finite-Lived
Other Intangibles, Finite-Lived, Balance	136	186
Other Intangibles, Additions		0
Other intangibles, Amortization	(51)	(50)
Other Intangibles, Finite-Lived, Balance	85	136	$ 186
Intangible Assets Net Including Goodwill [Abstract]
Total intangibles, Amortization	$ (51)	$ (50)

Employee Benefit Plans	12 Months Ended
Employee Benefit Plans	Jun. 03, 2023
Employee Benefit Plans [Abstract]
Employee Benefit Plans	Note 9 - Employee Benefit Plans The Company maintains a medical plan that is qualified under Section 401(a) of the Internal Revenue Code and is not subject to tax under present income tax laws. The plan is funded by contributions from the Company and its employees. Under its plan, the Company self-insures its portion of medical claims for substantially all full-time employees. The Company uses stop-loss insurance to limit its portion of medical claims to $ 275,000 per occurrence. The Company's expenses including accruals for incurred but not reported claims were approximately $ 21.9 million, $ 24.6 million, and $ 21.7 million in fiscal years 2023, 2022, and 2021, respectively. The liability recorded for incurred but not reported claims was $ 2.9 million and $ 2.8 million as of June 3, 2023 and May 28, 2022, respectively and are classified within “Accrued expenses and other liabilities” in the Company’s Consolidated Balance Sheets. The Company has a KSOP plan that covers substantially all employees (the “Plan”). The Company makes contributions to the Plan at a rate of 3 % of participants eligible compensation, plus an additional amount determined at the discretion of the Board of Directors. Contributions can be made in cash or the Company’s Common Stock, and vest immediately. The Company’s cash contributions to the Plan were $ 4.3 million, $ 3.9 million, and $ 3.8 million in fiscal years 2023, 2022 and 2021, respectively. The Company did no t make direct contributions of the Company’s Common Stock in fiscal years 2023, 2022, or 2021. Dividends on the Company’s Common Stock are paid to the Plan in cash. The Plan acquires the Company’s Common Stock, which is listed on the NASDAQ, by using the dividends and the Company’s cash contribution to purchase shares in the public markets. The Plan sells Common Stock on the NASDAQ to pay benefits to Plan participants. Participants may make contributions to the Plan up to the maximum allowed by the Internal Revenue Service regulations. The Company does not match participant contributions. Deferred Compensation Plans The Company has deferred compensation agreements with certain officers for payments to be made over specified periods beginning when the officers reach age 65 or over as specified in the agreements. Amounts accrued for the agreements are based upon deferred compensation earned over the estimated remaining service period of each officer. Payments made under these agreements were $ 170 thousand in fiscal years 2023, 2022 and 2021. The liability recorded related to these agreements was $ 1.0 million and $ 1.1 million at June 3, 2023 and May 28, 2022, respectively and are classified within “Other noncurrent liabilities” in the Company’s Consolidated Balance Sheets. The Company sponsors an unfunded, non-qualified deferred compensation plan, which was amended and restated effective December 1, 2021 (the “Amended DC Plan”) to expand eligibility for participation from named officers only to a select group of management or highly compensated employees of the Company, expand the investment options available and add the ability of participants to make elective deferrals. Participants may be awarded long-term incentive contributions (“Awards”) under the Amended DC Plan. Awards vest on December 31 st of the fifth year after such contribution is credited to the Amended DC Plan or, if earlier, the participant’s attainment of age 60 with 5 years of service. Awards issued under the Amended DC Plan were $ 388 thousand, $ 340 thousand, and $ 279 thousand in fiscal 2023, 2022, and 2021, respectively. Payments made under the Amended DC Plan were $ 410 thousand, $ 480 thousand and $ 55 thousand in fiscal 2023, 2022 and 2021, respectively. The liability recorded for the Amended DC Plan was $ 4.6 million, $ 4.5 million and $ 4.1 million at June 3, 2023, May 28, 2022 and 2021, respectively and is classified within “Other noncurrent liabilities” in the Company’s Consolidated Balance Sheets. Deferred compensation expense for both plans totaled $ 346 thousand, $ 258 thousand and $ 1.6 million in fiscal 2023, 2022, and 2021, respectively. Other Postretirement Employee Benefits The Company maintains an unfunded postretirement medical plan to provide limited health benefits to certain qualified retired employees and officers. Retired non-officers and spouses are eligible for coverage until attainment of Medicare eligibility, at which time coverage ceases. Retired officers and spouses are eligible for lifetime benefits under the plan. Officers, who retired prior to May 1, 2012 and their spouses must participate in Medicare Plans A and B. Officers, who retire on or after May 1, 2012 and their spouses must participate in Medicare Plans A, B, and D. The plan is accounted for in accordance with ASC 715, Compensation – Retirement Benefits (“ASC 715”), whereby an employer recognizes the funded status of a defined benefit postretirement plan as an asset or liability, and recognizes changes in the funded status in the year the change occurs through comprehensive income. Additionally, this expense is recognized on an accrual basis over the employees’ approximate period of employment. The liability associated with the plan was $ 2.7 million and $ 3.4 million at June 3, 2023 and May 28, 2022, respectively. The remaining disclosures associated with ASC 715 are immaterial to the Company’s financial statements. Effective March 1, 2023, the Company adopted a non-qualified supplemental executive retirement plan (“SERP”) and a split dollar life insurance plan (“Split Dollar Plan”) designed to provide deferred compensation and a pre-retirement death benefit for a select group of management or highly compensated employees of the Company. Provided the vesting conditions are met, participants in the SERP are eligible to receive an aggregate retirement benefit of $ 500,000 , which is paid in annual installments of $ 50,000 for 10 years . A participant becomes vested in the retirement benefit over five years of plan participation at 20 % per year. If a participant becomes disabled, attains the retirement age of 65, or the Company experiences a change in control, vesting will be accelerated to 100 %. If a participant dies while employed, he or she will not receive any benefits under the SERP, but their beneficiaries will instead be entitled to the life insurance benefit provided under the Split Dollar Plan, which is $500,000. The liability recorded for these plans was $ 63 thousand at June 3, 2023 and is classified within “Other noncurrent liabilities” in the Company’s Consolidated Balance Sheets.

Inventories	12 Months Ended
Inventories	Jun. 03, 2023
Inventories [Abstract]
Inventories	Note 5 - Inventories Inventories consisted of the following (in thousands): June 3, 2023 May 28, 2022 Flocks, net of amortization $ 164,540 $ 144,051 Eggs and egg products 28,318 26,936 Feed and supplies 91,560 92,329 $ 284,418 $ 263,316 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 June 3, 2023 and May 28, 2022, consisted of approximately 10.8 million and 11.5 million pullets and breeders and 41.2 million and 42.2 million layers, respectively. The Company expensed amortization and mortality associated with the flocks to cost of sales as follows (in thousands): June 3, 2023 May 28, 2022 May 29, 2021 Amortization $ 186,973 $ 160,107 $ 133,448 Mortality 10,455 8,011 6,769 Total flock costs charged to cost of sales $ 197,428 $ 168,118 $ 140,217

Consolidated Balance Sheets (Parenthetical) - $ / shares shares in Thousands	Jun. 03, 2023	May 28, 2022
Common stock in treasury (in shares)	26,077	26,121
Common Stock [Member]
Common stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	120,000	120,000
Common stock, shares issued (in shares)	70,261	70,261
Class A Convertible Common Stock [Member]
Common stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	4,800	4,800
Common stock, shares issued (in shares)	4,800	4,800

Income Taxes	12 Months Ended
Income Taxes	Jun. 03, 2023
Income Taxes [Abstract]
Income Taxes	Note 15 - Income Taxes Income tax expense (benefit) consisted of the following: Fiscal year ended June 3, 2023 May 28, 2022 May 29, 2021 Current: Federal $ 180,521 $ 24,228 $ (35,090) State 36,830 3,670 730 217,351 27,898 (34,360) Deferred: Federal 19,952 2,716 21,658 State 4,515 2,960 693 24,467 5,676 22,351 $ 241,818 $ 33,574 $ (12,009) Significant components of the Company’s deferred tax liabilities and assets were as follows: June 3, 2023 May 28, 2022 Deferred tax liabilities: Property, plant and equipment $ 109,590 $ 100,250 Inventories 44,986 31,987 Investment in affiliates 1,133 65 Other 5,702 5,713 Total deferred tax liabilities 161,411 138,015 Deferred tax assets: Accrued expenses 3,838 4,041 State operating loss carryforwards 78 470 Other comprehensive income 1,317 866 Other 3,966 4,442 Total deferred tax assets 9,199 9,819 Net deferred tax liabilities $ 152,212 $ 128,196 The differences between income tax expense (benefit) at the Company’s effective income tax rate and income tax expense at the statutory federal income tax rate were as follows: Fiscal year end June 3, 2023 May 28, 2022 May 29, 2021 Statutory federal income tax $ 209,418 $ 34,907 $ (2,087) State income taxes, net 32,662 5,237 1,124 Domestic manufacturers deduction — — 3,566 Enacted net operating loss carryback provision — — (16,014) Tax exempt interest income — (9) (50) Reversal of outside basis in equity investment Red River — (7,310) — Non-taxable remeasurement gain Red River — (955) — Other, net (262) 1,704 1,452 $ 241,818 $ 33,574 $ (12,009) As of June 3, 2023, we had no significant unrecognized tax benefits. Accordingly, the Company had no accrued interest and penalties 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 2020 remain open to examination by federal and state taxing jurisdictions to which we are subject.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 21
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32857-109319

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 11.C)
-URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330215-122817

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 17
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32809-109319

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 6.I.5.Q1)
-URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 14
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32705-109319

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 270
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-URI https://asc.fasb.org/topic&trid=2144680

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(2))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

Commitments and Contingencies (Narrative) (Details)		12 Months Ended
Commitments and Contingencies (Narrative) (Details)	Apr. 23, 2020 USD ($)	Jun. 03, 2023 $ / Claim
Benton County Foods [Member]
Loss Contingencies [Line Items]
Ownership interest		100.00%
Pending Litigation \| State of Texas v. Cal-Maine Foods, Inc. d/b/a Wharton; and Wharton County Foods, LLC [Member]
Loss Contingencies [Line Items]
Damages sought \| $	$ 100,000
Pending Litigation \| Bell et al. v. Cal-Maine Foods et al. [Member] \| Minimum [Member]
Loss Contingencies [Line Items]
Damages sought per claim		10,000
Pending Litigation \| Bell et al. v. Cal-Maine Foods et al. [Member] \| Maximum [Member]
Loss Contingencies [Line Items]
Damages sought per claim		250,000

Acquisition (Narrative) (Details) Layers in Millions	May 30, 2021 USD ($) a Layers	May 29, 2021
Red River Valley Egg Farm Llc [Member]
Business Acquisition [Line Items]
Ownership percentage		50.00%
Red River Valley Egg Farm Llc [Member]
Business Acquisition [Line Items]
Business acquisition, percentage of voting interest acquired	50.00%
Number of laying hens acquired \| Layers	1.7
Area of land \| a	400
Gain on remeasurement of interest held prior to acquisition	$ 4,500,000
Discrete income tax benefit	8,300,000
Reduction of deferred income tax related to outside-basis of equity investment	7,300,000
Reduction to income tax expense on remeasurement gain	955,000
Deferred tax liability recognized	$ 8,481,000

Investment Securities	12 Months Ended
Investment Securities	Jun. 03, 2023
Investments Securities [Abstract]
Investment Securities	Note 3 - Investment Securities The following presents the Company’s investment securities as of June 3, 2023 and May 28, 2022 (in thousands): June 3, 2023 Amortized Cost Unrealized Gains Unrealized Losses Estimated Fair Value Municipal bonds $ 16,571 $ — $ 275 $ 16,296 Commercial paper 56,486 — 77 56,409 Corporate bonds 139,979 — 1,402 138,577 Certificates of deposits 675 — — 675 US government and agency obligations 101,240 — 471 100,769 Asset backed securities 13,459 — 151 13,308 Treasury bills 29,069 — 13 29,056 Total current investment securities $ 357,479 $ — $ 2,389 $ 355,090 Mutual funds $ 2,172 $ — $ 91 $ 2,081 Total noncurrent investment securities $ 2,172 $ — $ 91 $ 2,081 May 28, 2022 Amortized Cost Unrealized Gains Unrealized Losses Estimated Fair Value Municipal bonds $ 10,136 $ — $ 32 $ 10,104 Commercial paper 14,940 — 72 14,868 Corporate bonds 74,167 — 483 73,684 Certificates of deposits 1,263 — 18 1,245 US government and agency obligations 2,205 4 — 2,209 Asset backed securities 13,456 — 137 13,319 Total current investment securities $ 116,167 $ 4 $ 742 $ 115,429 Mutual funds $ 3,826 $ — $ 74 $ 3,752 Total noncurrent investment securities $ 3,826 $ — $ 74 $ 3,752 Available-for-sale Proceeds from the sales and maturities of available-for-sale securities were $ 291.8 million, $ 92.7 million, and $ 129.1 million during fiscal 2023, 2022, and 2021, respectively. Gross realized gains for fiscal 2023, 2022, and 2021 were $ 51 thousand, $ 181 thousand, and $ 456 thousand, respectively. Gross realized losses for fiscal 2023, 2022, and 2021 were $ 87 thousand, $ 76 thousand, and $ 19 thousand, respectively. There was no allowance for credit losses at June 3, 2023 and May 28, 2022. Actual maturities may differ from contractual maturities because some borrowers have the right to call or prepay obligations with or without call or prepayment penalties. Contractual maturities of investment securities at June 3, 2023 are as follows (in thousands): Estimated Fair Value Within one year $ 269,830 1-5 years 85,260 Total $ 355,090 Noncurrent Proceeds from sales and maturities of noncurrent investment securities were $ 1.7 million, $ 4.9 million, and $ 54 thousand, during fiscal 2023, 2022 and 2021, respectively. Gross realized gains on those sales and maturities during fiscal 2023, 2022 and 2021 were $ 6 thousand, $ 2.2 million and $ 611 thousand, respectively. Gross realized losses during fiscal 2023 were $ 66 thousand. There were no realized losses for fiscal 2022 and 2021.

Equity	12 Months Ended
Equity	Jun. 03, 2023
Equity [Abstract]
Equity	Note 11 - Equity The Company has two classes of capital stock: Common Stock and Class A Common Stock. Except as otherwise required by law or the Company's Second Restated Certificate of Incorporation (“Restated Charter”), holders of shares of the Company’s capital stock vote as a single class on all matters submitted to a vote of the stockholders, with each share of Common Stock entitled to one vote and each share of Class A Common Stock entitled to ten votes. Holders of capital stock have the right of cumulative voting in the election of directors. The Common Stock and Class A Common Stock have equal liquidation rights and the same dividend rights. In the case of any dividend payable in stock, holders of Common Stock are entitled to receive the same percentage dividend (payable only in shares of Common Stock) as the holders of Class A Common Stock receive (payable only in shares of Class A Common Stock). Upon liquidation, dissolution, or winding-up of the Company, the holders of Common Stock are entitled to share ratably with the holders of Class A Common Stock in all assets available for distribution after payment in full of creditors. The holders of Common Stock and Class A Common Stock are not entitled to preemptive or subscription rights. No class of capital stock may be combined or subdivided unless the other classes of capital stock are combined or subdivided in the same proportion. No dividend may be declared and paid on Class A Common Stock unless the dividend is payable only to the holders of Class A Common Stock and a dividend is declared and paid to Common Stock concurrently. Each share of Class A Common Stock is convertible, at the option of its holder, into one share of Common Stock at any time. The Company’s Restated Charter identifies family members of Mr. Adams (“Immediate Family Members”) and arrangements and entities that are permitted to receive and hold shares of Class A Common Stock, with ten votes per share, without such shares converting into shares of Common Stock, with one vote per share (“Permitted Transferees”). The Permitted Transferees include arrangements and entities such as revocable trusts and limited liability companies that could hold Class A Common Stock for the benefit of Immediate Family Members. Each Permitted Transferee must have a relationship, specifically defined in the Restated Charter, with another Permitted Transferee or an Immediate Family Member. A share of Class A Common Stock transferred to a person other than a Permitted Transferee would automatically convert into Common Stock with one vote per share. Additionally, the Restated Charter includes a sunset provision pursuant to which all of the outstanding Class A Common Stock will automatically convert to Common Stock if: (a) less than 4,300,000 shares of Class A Common Stock, in the aggregate, are beneficially owned by Immediate Family Members and/or Permitted Transferees, or (b) if less than 4,600,000 shares of Class A Common Stock and Common Stock, in the aggregate, are beneficially owned by Immediate Family Members and/or Permitted Transferees.

- Definition

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

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+ Details

Schedule II - Valuation and Qualifying Accounts	12 Months Ended
Schedule II - Valuation and Qualifying Accounts	Jun. 03, 2023
Schedule II - Valuation and Qualifying Accounts [Abstract]
Schedule II - Valuation and Qualifying Accounts Disclosure	Description Balance at Beginning of Period Charged to Cost and Expense Write-off of Accounts Balance at End of Period Year ended June 3, 2023 Allowance for doubtful accounts $ 775 $ (148) $ 48 $ 579 Year ended May 28, 2022 Allowance for doubtful accounts $ 795 $ 30 $ 50 $ 775 Year ended May 29, 2021 Allowance for doubtful accounts $ 743 $ 135 $ 83 $ 795

Revenue Recognition	12 Months Ended
Revenue Recognition	Jun. 03, 2023
Revenue Recognition [Abstract]
Revenue Recognition	Note 13 - Revenue Recognition Satisfaction of Performance Obligation The vast majority of the Company’s revenue is derived from agreements with customers based on the customer placing an order for products. Pricing for the most part is determined when the Company and the customer agree upon the specific order, which establishes the contract for that order. Revenues are recognized in an amount that reflects the net consideration we expect to receive in exchange for the goods. Our shell eggs are sold at prices related to independently quoted wholesale market prices or formulas related to our costs of production. The Company’s sales predominantly contain a single performance obligation. We recognize revenue upon satisfaction of the performance obligation with the customer which typically occurs within days of the Company and the customer agreeing upon the order. Costs to deliver product to customers are included in selling, general and administrative expenses in the accompanying Consolidated Statements of Income and totaled $ 77.5 million, $ 62.7 million, and $ 52.7 million in fiscal years 2023, 2022, and 2021, respectively. Returns and Refunds Some of our contracts include a guaranteed sale clause, pursuant to which we credit the customer’s account for product that the customer is unable to sell before expiration. The Company records an allowance for expected customer returns using historical return data and comparing to current period sales and accounts receivable . The allowance is recorded as a reduction of sales in the same period the revenue is recognized. Sales Incentives Provided to Customers The Company periodically provides incentive offers to its customers to encourage purchases. Such offers include current discount offers (e.g., percentage discounts off current purchases), inducement offers (e.g., offers for future discounts subject to a minimum current purchase), and other similar offers. Current discount offers, when accepted by customers, are treated as a reduction to the sales price of the related transaction, while inducement offers, when accepted by customers, are treated as a reduction to sales price based on estimated future redemption rates. Redemption rates are estimated using the Company’s historical experience for similar inducement offers. Current discount and inducement offers are presented as a net amount in ‘‘Net sales.’’ Disaggregation of Revenue The following table provides revenue disaggregated by product category (in thousands): 14 Weeks Ended 13 Weeks Ended 53 Weeks Ended 52 Weeks Ended June 3, 2023 May 28, 2022 June 3, 2023 May 28, 2022 Conventional shell egg sales $ 395,433 $ 378,190 $ 2,051,961 $ 1,061,995 Specialty shell egg sales 256,190 186,518 956,993 648,838 Egg products 33,996 26,488 122,270 60,004 Other 3,061 1,768 14,993 6,322 $ 688,680 $ 592,964 $ 3,146,217 $ 1,777,159 Contract Costs The Company can incur costs to obtain or fulfill a contract with a customer. If the amortization period of these costs is less than one year, they are expensed as incurred. When the amortization period is greater than one year, a contract asset is recognized and is amortized over the contract life as a reduction in net sales. As of June 3, 2023 and May 28, 2022, the balance for contract assets is immaterial. Contract Balances The Company receives payment from customers based on specified terms that are generally less than 30 days from delivery. There are rarely contract assets or liabilities related to performance under the contract. Concentration of Credit Risks Our largest customer, Walmart Inc. (including Sam's Club) accounted for 34.2 %, 29.5 % and 29.8 % of net sales dollars for fiscal 2023, 2022, and 2021, respectively. H-E-B, LP accounted for 10.1 % of net sales dollars for fiscal

- Definition

The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.

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+ Details

Income Taxes (Tables)	12 Months Ended
Income Taxes (Tables)	Jun. 03, 2023
Income Taxes [Abstract]
Tax Expense by Jurisdiction	Fiscal year ended June 3, 2023 May 28, 2022 May 29, 2021 Current: Federal $ 180,521 $ 24,228 $ (35,090) State 36,830 3,670 730 217,351 27,898 (34,360) Deferred: Federal 19,952 2,716 21,658 State 4,515 2,960 693 24,467 5,676 22,351 $ 241,818 $ 33,574 $ (12,009)
Deferred Tax Assets and Liabilities	June 3, 2023 May 28, 2022 Deferred tax liabilities: Property, plant and equipment $ 109,590 $ 100,250 Inventories 44,986 31,987 Investment in affiliates 1,133 65 Other 5,702 5,713 Total deferred tax liabilities 161,411 138,015 Deferred tax assets: Accrued expenses 3,838 4,041 State operating loss carryforwards 78 470 Other comprehensive income 1,317 866 Other 3,966 4,442 Total deferred tax assets 9,199 9,819 Net deferred tax liabilities $ 152,212 $ 128,196
Reconciliation of Effective Tax Expense	Fiscal year end June 3, 2023 May 28, 2022 May 29, 2021 Statutory federal income tax $ 209,418 $ 34,907 $ (2,087) State income taxes, net 32,662 5,237 1,124 Domestic manufacturers deduction — — 3,566 Enacted net operating loss carryback provision — — (16,014) Tax exempt interest income — (9) (50) Reversal of outside basis in equity investment Red River — (7,310) — Non-taxable remeasurement gain Red River — (955) — Other, net (262) 1,704 1,452 $ 241,818 $ 33,574 $ (12,009)

Property, Plant and Equipment (Tables)	12 Months Ended
Property, Plant and Equipment (Tables)	Jun. 03, 2023
Property, Plant and Equipment [Abstract]
Schedule Of Property, Plant And Equipment	June 3, 2023 May 28, 2022 Land and improvements $ 117,279 $ 109,833 Buildings and improvements 552,669 517,859 Machinery and equipment 715,205 655,925 Construction-in-progress 98,605 71,967 1,483,758 1,355,584 Less: accumulated depreciation 739,218 677,788 $ 744,540 $ 677,796

Stock Compensation Plan (Tables)	12 Months Ended
Stock Compensation Plan (Tables)	Jun. 03, 2023
Stock Compensation Plans [Abstract]
Summary of Equity Award Activity	Number of Shares Weighted Average Grant Date Fair Value Outstanding, May 29, 2021 302,147 $ 39.37 Granted 113,142 41.13 Vested (92,918) 42.45 Forfeited (4,527) 38.01 Outstanding, May 28, 2022 317,844 $ 39.12 Granted 84,969 54.10 Vested (98,684) 38.25 Forfeited (9,989) 39.69 Outstanding, June 3, 2023 294,140 $ 43.72

Investment Securities (Narrative) (Details) - USD ($)	12 Months Ended
Investment Securities (Narrative) (Details) - USD ($)	Jun. 03, 2023	May 28, 2022	May 29, 2021
Investments Securities [Abstract]
Proceeds from sale of available-for-sale securities, current	$ 291,800,000	$ 92,700,000	$ 129,100,000
Proceeds from sale of available-for-sale securities, noncurrent	1,700,000	4,900,000	54,000
Gross realized gains on sales of available-for-sale securities, current	51,000	181,000	456,000
Gross realized gains on sales of available-for-sale securities, noncurrent	6,000	2,200,000	611,000
Gross realized losses on sales of available-for-sale securities, current	87,000	76,000	19,000
Gross realized losses on sales of available-for-sale securities, noncurrent	66,000	0	$ 0
Allowance for credit losses	$ 0	$ 0

Credit Facility	12 Months Ended
Credit Facility	Jun. 03, 2023
Credit Facility [Abstract]
Credit Facility	Note 10 - Credit Facility For fiscal years 2023, 2022 and 2021, interest expense was $ 583 thousand, $ 403 thousand, and $ 213 thousand, respectively, primarily related to commitment fees on the Credit Facility described below. On May 26, 2023, we entered into the First Amendment (the “Amendment”) to the Amended and Restated Credit Agreement, dated November 15, 2021 (as amended, the “Credit Agreement”). The Amendment replaced the London Interbank Offered Rate interest rate benchmark with the secured overnight financing rate as administered by the Federal Reserve Bank of New York or a successor administrator of the secured overnight financing rate (“SOFR”). The Credit Agreement has a five -year term. 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 facility as of June 3, 2023 or May 28, 2022 or during fiscal 2023 or fiscal 2022. The Company had $ 4.3 million of outstanding standby letters of credit issued under the Credit Facility at June 3, 2023. 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. The Credit Facility is guaranteed by 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 for the Credit Facility contains customary covenants, including restrictions on the incurrence of liens, incurrence of additional 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. Additionally, the Credit Agreement requires that Fred R. Adams Jr.’s spouse, natural children, sons-in-law or grandchildren, or any trust, guardianship, conservatorship or custodianship for the primary benefit of any of the foregoing, or any family limited partnership, similar limited liability company or other entity that 100 % of the voting control of such entity is held by any of the foregoing, shall maintain at least 50 % of the Company's voting stock. Failure to satisfy any of these covenants will constitute a default under the terms of the Credit Agreement. 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. 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 Facility. At June 3, 2023, we were in compliance with the covenant requirements of the Credit Facility.

- 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.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1C
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1C
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1E
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1I
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (i)
-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

+ Details

Income Taxes (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Jun. 03, 2023	May 28, 2022
Deferred tax liabilities:
Property, plant and equipment	$ 109,590	$ 100,250
Inventories	44,986	31,987
Investment in affiliates	1,133	65
Other	5,702	5,713
Total deferred tax liabilities	161,411	138,015
Deferred tax assets:
Accrued expenses	3,838	4,041
State operating loss carryforwards	78	470
Other comprehensive income	1,317	866
Other	3,966	4,442
Total deferred tax assets	9,199	9,819
Net deferred tax liabilities	$ 152,212	$ 128,196

Equity (Narrative) (Details)	Jun. 03, 2023 Item shares
Schedule of Stockholders Equity [Line Items]
Number of classes of capital stock	2
Number of shares owned by immediate family members and/or permitted transferee's (in shares) \| shares	4,600,000
Common Stock [Member]
Schedule of Stockholders Equity [Line Items]
Number of votes per share of stock	1
Number of votes per share of stock converted from Class A	1
Class A Common Stock [Member]
Schedule of Stockholders Equity [Line Items]
Number of votes per share of stock	10
Number of shares owned by immediate family members and/or permitted transferee's (in shares) \| shares	4,300,000

Property, Plant and Equipment (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 03, 2023	May 28, 2022	May 29, 2021
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 69.4	$ 65.8	$ 56.5

Investment Securities (Schedule of Contractual Maturities of Investment Securities) (Details) - USD ($) $ in Thousands	Jun. 03, 2023	May 28, 2022
Investments Securities [Abstract]
Within one year	$ 269,830
1-5 years	85,260
Total	$ 355,090	$ 115,429

Revenue Recognition (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 03, 2023	May 28, 2022	May 29, 2021
Disaggregation of Revenue [Line Items]
Selling, general and administrative expenses	$ 77.5	$ 62.7	$ 52.7
H-E-B, LP [Member] \| Sales Revenue, Net [Member] \| Customer Concentration Risk [Member]
Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage			10.10%
Walmart [Member] \| Sales Revenue, Net [Member] \| Customer Concentration Risk [Member]
Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage	34.20%	29.50%	29.80%

Investment in Unconsolidated Entities (Tables)	12 Months Ended
Investment in Unconsolidated Entities (Tables)	Jun. 03, 2023
Investment in Unconsolidated Entities [Abstract]
Summary of Condensed Consolidated Financial Information for Unconsolidated Joint Ventures	For the fiscal year ended June 3, 2023 May 28, 2022 May 29, 2021 Net sales $ 222,602 $ 145,281 $ 119,853 Net income 1,492 3,942 1,596 Total assets 27,784 42,971 106,592 Total liabilities 9,854 21,892 5,850 Total equity 17,930 21,079 100,742
Schedule of Transactions With Unconsolidated Affiliates	For the fiscal year ended June 3, 2023 May 28, 2022 May 29, 2021 Sales to unconsolidated entities $ 136,351 $ 94,311 $ 56,765 Purchases from unconsolidated entities 75,024 60,016 76,059 Distributions from unconsolidated entities 1,500 400 6,663 June 3, 2023 May 28, 2022 Accounts receivable from unconsolidated entities $ 4,719 $ 10,815 Accounts payable to unconsolidated entities 3,187 4,678

Income Taxes (Tax Expense by Jurisdiction) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 03, 2023	May 28, 2022	May 29, 2021
Current:
Current income tax expense (benefit): Federal	$ 180,521	$ 24,228	$ (35,090)
Current income tax expense (benefit): State	36,830	3,670	730
Current income tax expense (benefit): Total	217,351	27,898	(34,360)
Deferred:
Deferred income tax expense (benefit): Federal	19,952	2,716	21,658
Deferred income tax expense (benefit): State	4,515	2,960	693
Deferred income taxes expense (benefit): Total	24,467	5,676	22,351
Income tax expense (benefit)	$ 241,818	$ 33,574	$ (12,009)

- Definition

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

+ References + Details

Commitments and Contingencies	12 Months Ended
Commitments and Contingencies	Jun. 03, 2023
Commitments and Contingencies [Abstract]
Commitments and Contingencies	Note 16 - Commitments and Contingencies State of Texas v. Cal-Maine Foods, Inc. d/b/a Wharton; and Wharton County Foods, LLC On April 23, 2020, the Company and its subsidiary Wharton County Foods, LLC (“WCF”) were named as defendants in State of Texas v. Cal-Maine Foods, Inc. d/b/a Wharton; and Wharton County Foods, LLC, Cause No. 2020-25427, in the District Court of Harris County, Texas. The State of Texas (the “State”) asserted claims based on the Company’s and WCF’s alleged violation of the Texas Deceptive Trade Practices—Consumer Protection Act, Tex. Bus. & Com. Code §§ 17.41-17.63 (“DTPA”). The State claimed that the Company and WCF offered shell eggs at excessive or exorbitant prices during the COVID-19 state of emergency and made misleading statements about shell egg prices. The State sought temporary and permanent injunctions against the Company and WCF to prevent further alleged violations of the DTPA, along with over $ 100,000 in damages. On August 13, 2020, the court granted the defendants’ motion to dismiss the State’s original petition with prejudice. On September 11, 2020, the State filed a notice of appeal, which was assigned to the Texas Court of Appeals for the First District. On August 16, 2022, the appeals court reversed and remanded the case back to the trial court for further proceedings. On October 31, 2022, the Company and WCF appealed the First District Court’s decision to the Supreme Court of Texas. On May 10, 2023, the Company filed its brief on the merits, and the State of Texas filed its brief on June 29, 2023. The Company filed its reply brief on July 14, 2023. Management believes the risk of material loss related to this matter to be remote. Bell et al. v. Cal-Maine Foods et al. On April 30, 2020, the Company was named as one of several defendants in Bell et al. v. Cal-Maine Foods et al., Case No. 1:20- cv-461, in the Western District of Texas, Austin Division. The defendants include numerous grocery stores, retailers, producers, and farms. Plaintiffs assert that defendants violated the DTPA by allegedly demanding exorbitant or excessive prices for eggs during the COVID-19 state of emergency. Plaintiffs request certification of a class of all consumers who purchased eggs in Texas sold, distributed, produced, or handled by any of the defendants during the COVID-19 state of emergency. Plaintiffs seek to enjoin the Company and other defendants from selling eggs at a price more than 10% greater than the price of eggs prior to the declaration of the state of emergency and damages in the amount of $ 10,000 per violation, or $ 250,000 for each violation impacting anyone over 65 years old. On December 1, 2020, the Company and certain other defendants filed a motion to dismiss the plaintiffs’ amended class action complaint. The plaintiffs subsequently filed a motion to strike, and the motion to dismiss and related proceedings were referred to a United States magistrate judge. On July 14, 2021, the magistrate judge issued a report and recommendation to the court that the defendants’ motion to dismiss be granted and the case be dismissed without prejudice for lack of subject matter jurisdiction. On September 20, 2021, the court dismissed the case without prejudice. On July 13, 2022, the court denied the plaintiffs’ motion to set aside or amend the judgment to amend their complaint. On March 15, 2022, plaintiffs filed a second suit against the Company and several defendants in Bell et al. v. Cal-Maine Foods et al., Case No. 1:22-cv-246, in the Western District of Texas, Austin Division alleging the same assertions as laid out in the first complaint. On August 12, 2022, the Company and other defendants in the case filed a motion to dismiss the plaintiffs’ class action complaint. On January 9, 2023, the court entered an order and final judgement granting the Company’s motion to dismiss. On February 8, 2023, the plaintiffs appealed the lower court’s judgement to the United States Court of Appeals for the Fifth Circuit, Case No. 23-50112. The parties filed their respective appellate briefs, but the court has not ruled on these submissions. Management believes the risk of material loss related to both matters to be remote. Kraft Foods Global, Inc. et al. v. United Egg Producers, Inc. et al. As previously reported, on September 25, 2008, the Company was named as one of several defendants in numerous antitrust cases involving the United States shell egg industry. The Company settled all of these cases, except for the claims of certain plaintiffs who sought substantial 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 allege that the Company and other defendants violated Section 1 of the Sherman Act, 15. U.S.C. § 1, 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 are attacking certain features of the United Egg Producers animal-welfare guidelines and program used by the Company and many other egg producers. The Egg Products Plaintiffs seek to enjoin the Company and other defendants from engaging in antitrust violations and seek treble money damages. On May 2, 2022, the court set trial for October 24, 2022, but on September 20, 2022, the court cancelled the trial date due to COVID-19 protocols and converted the trial date to a status hearing to reschedule the jury trial. Trial is now set for October 16, 2023. In addition, 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 Company intends to continue to defend the remaining case with the Egg Products Plaintiffs as vigorously as possible based on defenses which the Company believes are meritorious and provable. Adjustments, if any, which might result from the resolution of this remaining matter with the Egg Products Plaintiffs have not been reflected in the financial statements. While management believes that there is still a reasonable possibility of a material adverse outcome from the case with the Egg Products Plaintiffs, at the present time, it is not possible to estimate the amount of monetary exposure, if any, to the Company due to a range of factors, including the following, among others: two earlier trials based on substantially the same facts and legal arguments resulted in findings of no conspiracy and/or damages; this trial will be before a different judge and jury in a different court than prior related cases; there are significant factual issues to be resolved; and there are requests for damages other than compensatory damages (i.e., injunction and treble money damages). 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, but no penalties were assessed. The court found the defendants 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. The court directed the parties to confer in attempt to reach agreement on appropriate remedies. On June 12, 2023, the court ordered the parties to mediate before the Tenth Circuit Chief Judge Deanell Reece Tacha and instructed the parties to file a joint status report fourteen days following mediation. The mediation has not yet been set but is expected to be in the September to October time frame this fall. While management believes there is a reasonable possibility of a material loss from the case, at the present time, it is not possible to estimate the amount of monetary exposure, if any, to the Company due to a range of factors, including the following, among others: uncertainties inherent in any assessment of potential costs associated with injunctive relief or other penalties based on a decision in a case tried over 13 years ago based on environmental conditions that existed at the time, the lack of guidance from the court as to what might be considered appropriate remedies, the ongoing negotiations with the State on appropriate remedies and upcoming mediation, and uncertainty regarding what our proportionate share of any remedy would be, although we believe that our share compared to the other defendants is small. 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.

Investment in Unconsolidated Entities (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 03, 2023	May 28, 2022	May 29, 2021
Investments in and Advances to Affiliates [Line Items]
Investments in affiliates, recorded using the equity method of accounting	$ 9,700	$ 10,500
Equity in income of unconsolidated entities	$ 746	$ 1,943	$ 622
Red River Valley Egg Farm Llc [Member]
Investments in and Advances to Affiliates [Line Items]
Ownership percentage			50.00%
Specialty Eggs LLC [Member]
Investments in and Advances to Affiliates [Line Items]
Ownership percentage	50.00%	50.00%

Credit Facility (Narrative) (Details) - USD ($)	12 Months Ended
Credit Facility (Narrative) (Details) - USD ($)	Jun. 03, 2023	May 28, 2022	May 29, 2021
Line Of Credit Facility [Line Items]
Interest costs incurred	$ 583,000	$ 403,000	$ 213,000
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%
Threshold of voting control in related entities that requires compliance with covenant	100.00%
Minimum amount of company voting stock	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	4,300,000
Credit Agreement [Member] \| Swingline [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity	$ 15,000,000

Income Taxes (Reconciliation of Effective Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 03, 2023	May 28, 2022	May 29, 2021
Income Taxes [Abstract]
Statutory federal income tax	$ 209,418	$ 34,907	$ (2,087)
State income taxes, net	32,662	5,237	1,124
Domestic manufacturers deduction	0	0	3,566
Enacted net operating loss carryback provision	0	0	(16,014)
Tax exempt interest income	0	(9)	(50)
Reversal of outside basis in equity investment Red River	0	(7,310)	0
Non-taxable remeasurement gain Red River	0	(955)	0
Other, net	(262)	1,704	1,452
Income tax expense (benefit)	$ 241,818	$ 33,574	$ (12,009)

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Jun. 03, 2023	May 28, 2022	May 29, 2021
Consolidated Statements of Comprehensive Income [Abstract]
Net income (loss)	$ 756,732	$ 132,441	$ 2,060
Other comprehensive loss, before tax:
Unrealized holding loss available-for-sale securities, net of reclassification adjustments	(1,714)	(1,398)	(736)
Increase in accumulated post-retirement benefits obligation, net of reclassification adjustments	(27)	(9)	(137)
Other comprehensive loss, before tax	(1,741)	(1,407)	(873)
Income tax benefit related to items of other comprehensive loss	(451)	(369)	(236)
Other comprehensive loss, net of tax	(1,290)	(1,038)	(637)
Comprehensive income	755,442	131,403	1,423
Less: comprehensive loss attributable to the noncontrolling interest	(1,292)	(209)	0
Comprehensive income attributable to Cal-Maine Foods, Inc.	$ 756,734	$ 131,612	$ 1,423

Goodwill and Other Intangible Assets	12 Months Ended
Goodwill and Other Intangible Assets	Jun. 03, 2023
Goodwill and Other Intangible Assets [Abstract]
Goodwill and Other Intangible Assets	Note 8 - Goodwill and Other Intangible Assets Goodwill and other intangibles consisted of the following (in thousands): Other Intangibles Franchise Customer Non-compete Right of Water Total Goodwill rights relationships agreements Use rights Trademark intangibles Balance May 29, 2021 $ 35,525 $ 16,699 $ 1,688 $ 1,019 $ 29 $ 720 $ 186 $ 55,866 Additions 8,481 — — — 10 — — 8,491 Amortization — (1,628) (362) (159) (21) — (50) (2,220) Balance May 28, 2022 44,006 15,071 1,326 860 18 720 136 62,137 Amortization — (1,657) (356) (152) (18) — (51) (2,234) Balance June 3, 2023 $ 44,006 $ 13,414 $ 970 $ 708 $ — $ 720 $ 85 $ 59,903 For the Other Intangibles listed above, the gross carrying amounts and accumulated amortization are as follows (in thousands): June 3, 2023 May 28, 2022 Gross carrying Accumulated Gross carrying Accumulated amount amortization amount amortization Other intangible assets: Franchise rights $ 29,284 $ (15,870) $ 29,284 $ (14,213) Customer relationships 9,644 (8,674) 9,644 (8,318) Non-compete agreements 1,450 (742) 1,450 (590) Right of use intangible 239 (239) 239 (221) Water rights * 720 — 720 — Trademark 400 (315) 400 (264) Total $ 41,737 $ (25,840) $ 41,737 $ (23,606) * Water rights are an indefinite life intangible asset. No significant residual value is estimated for these intangible assets. Aggregate amortization expense for fiscal years 2023, 2022, and 2021 totaled $ 2.2 million, $ 2.2 million, and $ 2.5 million, respectively. The following table presents the total estimated amortization of intangible assets for the five succeeding years (in thousands): For fiscal year Estimated amortization expense 2024 $ 2,170 2025 2,035 2026 1,831 2027 1,828 2028 1,758 Thereafter 5,555 Total $ 15,177

Property, Plant and Equipment (Schedule of Property, Plant and Equipment) (Details) - USD ($) $ in Thousands	Jun. 03, 2023	May 28, 2022
Property, Plant and Equipment [Line Items]
Property, plant and equipment gross	$ 1,483,758	$ 1,355,584
Less: accumulated depreciation	739,218	677,788
Property, plant and equipment, less accumulated depreciation	744,540	677,796
Land and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment gross	117,279	109,833
Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment gross	552,669	517,859
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment gross	715,205	655,925
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment gross	$ 98,605	$ 71,967

Net Income per Common Share	12 Months Ended
Net Income per Common Share	Jun. 03, 2023
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 Common Stock and Class A Common Stock outstanding. Diluted net income per share attributable to Cal-Maine Foods, Inc. is based on weighted-average common shares 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): June 3, 2023 May 28, 2022 May 29, 2021 Numerator Net income $ 756,732 $ 132,441 $ 2,060 Less: Net loss attributable to noncontrolling interest (1,292) (209) — Net income attributable to Cal-Maine Foods, Inc. $ 758,024 $ 132,650 $ 2,060 Denominator Weighted-average common shares outstanding, basic 48,648 48,581 48,522 Effect of dilutive securities of restricted shares 186 153 134 Weighted-average common shares outstanding, diluted 48,834 48,734 48,656 Net income per common share attributable to Cal-Maine Foods, Inc. Basic $ 15.58 $ 2.73 $ 0.04 Diluted $ 15.52 $ 2.72 $ 0.04

Inventories (Narrative) (Details) pullet_and_breeder in Millions, Layers in Millions, $ in Millions	Jun. 03, 2023 Layers pullet_and_breeder	May 28, 2022 USD ($)
Inventories [Abstract]
Pullets and breeders	10.8	11.5
Layers	41.2	42.2

Summary of Significant Accounting Policies (Narrative) (Details) $ in Thousands	12 Months Ended
	Jun. 03, 2023 USD ($) Item	May 28, 2022 USD ($) Item	May 29, 2021 USD ($)	May 30, 2021	May 30, 2020 USD ($)
Significant Accounting Policies [Line Items]
Fiscal period duration	371 days	364 days	364 days
Reserves for credit losses	$ 579	$ 775
Percentage of net income loss used to compute accrued dividends	33.33%
Advertising expense	$ 3,400	12,600	$ 11,700
Flock costs, cost accumulation period	154 days
Stockholders' equity	$ 1,611,081	1,104,551
Stockholders' equity	1,609,583	1,104,345	1,012,781		$ 1,010,097
Red River Valley Egg Farm Llc [Member]
Significant Accounting Policies [Line Items]
Business acquisition, percentage of voting interest acquired				50.00%
Retained Earnings [Member]
Significant Accounting Policies [Line Items]
Stockholders' equity	$ 1,571,112	$ 1,065,854	$ 975,977		$ 975,569
Accounts Receivable
Significant Accounting Policies [Line Items]
Number of major customers \| Item	1	1
Customer Concentration Risk [Member] \| Accounts Receivable \| One Customer [Member]
Significant Accounting Policies [Line Items]
Concentration risk, percentage	30.10%	27.90%
Minimum [Member]
Significant Accounting Policies [Line Items]
Intangible assets estimated useful life	5 years
Flock costs, amortization period	1 year
Maximum [Member]
Significant Accounting Policies [Line Items]
Intangible assets estimated useful life	15 years
Flock costs, amortization period	2 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

Investment Securities (Schedule of Investment Securities) (Details) - USD ($) $ in Thousands	Jun. 03, 2023	May 28, 2022
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	$ 357,479	$ 116,167
Unrealized Gains, Current	0	4
Unrealized Losses, Current	2,389	742
Estimated Fair Value, Current	355,090	115,429
Amortized Cost, Noncurrent	2,172	3,826
Unrealized Gains, Noncurrent	0	0
Unrealized Losses, Noncurrent	91	74
Estimated Fair Value, Noncurrent	2,081	3,752
Municipal Bonds [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	16,571	10,136
Unrealized Gains, Current	0	0
Unrealized Losses, Current	275	32
Estimated Fair Value, Current	16,296	10,104
Commercial Paper [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	56,486	14,940
Unrealized Gains, Current	0	0
Unrealized Losses, Current	77	72
Estimated Fair Value, Current	56,409	14,868
Corporate Bonds [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	139,979	74,167
Unrealized Gains, Current	0	0
Unrealized Losses, Current	1,402	483
Estimated Fair Value, Current	138,577	73,684
Certificates of Deposits [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	675	1,263
Unrealized Gains, Current	0	0
Unrealized Losses, Current	0	18
Estimated Fair Value, Current	675	1,245
US Government and Agency Obligations [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	101,240	2,205
Unrealized Gains, Current	0	4
Unrealized Losses, Current	471	0
Estimated Fair Value, Current	100,769	2,209
Asset Backed Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	13,459	13,456
Unrealized Gains, Current	0	0
Unrealized Losses, Current	151	137
Estimated Fair Value, Current	13,308	13,319
Treasury Bills [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	29,069
Unrealized Gains, Current	0
Unrealized Losses, Current	13
Estimated Fair Value, Current	29,056
Mutual Funds [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Noncurrent	2,172	3,826
Unrealized Gains, Noncurrent	0	0
Unrealized Losses, Noncurrent	91	74
Estimated Fair Value, Noncurrent	$ 2,081	$ 3,752

Net Income per Common Share (Tables)	12 Months Ended
Net Income per Common Share (Tables)	Jun. 03, 2023
Net Income per Common Share [Abstract]
Computation of Basic and Diluted Net Income Per Share	June 3, 2023 May 28, 2022 May 29, 2021 Numerator Net income $ 756,732 $ 132,441 $ 2,060 Less: Net loss attributable to noncontrolling interest (1,292) (209) — Net income attributable to Cal-Maine Foods, Inc. $ 758,024 $ 132,650 $ 2,060 Denominator Weighted-average common shares outstanding, basic 48,648 48,581 48,522 Effect of dilutive securities of restricted shares 186 153 134 Weighted-average common shares outstanding, diluted 48,834 48,734 48,656 Net income per common share attributable to Cal-Maine Foods, Inc. Basic $ 15.58 $ 2.73 $ 0.04 Diluted $ 15.52 $ 2.72 $ 0.04

Fair Value Measures (Policy)	12 Months Ended
Fair Value Measures (Policy)	Jun. 03, 2023
Fair Value Measures [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 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 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.

Fair Value Measures (Schedule of Assets Measured at Fair Value on A Recurring Basis) (Details) - USD ($) $ in Thousands	Jun. 03, 2023	May 28, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	$ 357,171	$ 119,181
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	2,081	3,752
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	355,090	115,429
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	0	0
Municipal Bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	16,296	10,104
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	16,296	10,104
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	56,409	14,868
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	56,409	14,868
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	138,577	73,684
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	138,577	73,684
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	675	1,245
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	675	1,245
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	100,769	2,209
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	100,769	2,209
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
Asset Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	13,308	13,319
Asset Backed Securities [Member] \| Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	0	0
Asset Backed Securities [Member] \| Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	13,308	13,319
Asset Backed Securities [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	29,056
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
Treasury Bills [Member] \| Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	29,056
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
Mutual Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	2,081	3,752
Mutual Funds [Member] \| Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	2,081	3,752
Mutual Funds [Member] \| Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	0	0
Mutual Funds [Member] \| Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	$ 0	$ 0