Cal-Maine Foods (CALM) 10-Q 28 Dec 21 2022 Q2 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	6 Months Ended
	Nov. 27, 2021	Dec. 28, 2021
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Nov. 27, 2021
Document Transition Report	false
Entity File Number	001-38695
Entity Registrant Name	CAL-MAINE FOODS, INC
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	64-0500378
Entity Address, Address Line One	1052 Highland Colony Pkwy
Entity Address Address Line 2	Suite 200
Entity Address, City or Town	Ridgeland
Entity Address, State or Province	MS
Entity Address, Postal Zip Code	39157
City Area Code	601
Local Phone Number	948-6813
Title of 12(b) Security	Common Stock, $0.01 par value per share
Trading Symbol	CALM
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Current Fiscal Year End Date	--05-28
Amendment Flag	false
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Entity Central Index Key	0000016160
Common Stock [Member]
Entity Common Stock, Shares Outstanding		44,056,599
Class A Common Stock [Member]
Entity Common Stock, Shares Outstanding		4,800,000

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Nov. 27, 2021	May 29, 2021
Current assets:
Cash and cash equivalents	$ 15,484	$ 57,352
Investment securities available-for-sale	69,672	112,158
Trade and other receivables, net	152,958	126,639
Inventories	236,201	218,375
Prepaid expenses and other current assets	6,814	5,407
Total current assets	481,129	519,931
Property, plant & equipment, net	667,250	589,417
Finance lease right-of-use asset, net	448	525
Operating lease right-of-use asset, net	1,347	1,724
Investments in unconsolidated entities	10,985	54,941
Goodwill	44,006	35,525
Intangible assets, net	19,241	20,341
Other long-term assets	7,588	6,770
Total assets	1,231,994	1,229,174
Current liabilities:
Accounts payable and accrued expenses	115,619	89,191
Current portion of finance lease obligation	219	215
Current portion of operating lease obligation	550	691
Total current liabilities	116,388	90,097
Long-term finance lease obligation	327	438
Long-term operating lease obligation	797	1,034
Other noncurrent liabilities	10,306	10,416
Deferred income taxes	106,753	114,408
Total liabilities	234,571	216,393
Commitments and contingencies - see Note 13
Stockholders' equity:
Paid-in capital	66,019	64,044
Retained earnings	959,124	975,977
Accumulated other comprehensive loss, net of tax	(996)	(558)
Common stock in treasury at cost-26,204 shares at November 27, 2021 and 26,202 shares at May 29, 2021	(27,450)	(27,433)
Total Cal-Maine Foods, Inc. stockholders' equity	997,448	1,012,781
Noncontrolling interest in consolidated entity	(25)	0
Total stockholders' equity	997,423	1,012,781
Total Liabilities and Stockholders' Equity	1,231,994	1,229,174
Common Stock [Member]
Stockholders' equity:
Common stock	703	703
Class A Convertible Common Stock [Member]
Stockholders' equity:
Common stock	$ 48	$ 48

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Nov. 27, 2021	May 29, 2021
Common stock in treasury (in shares)	26,204	26,202
Common Stock [Member]
Common stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	120,000,000	120,000,000
Common stock, shares issued (in shares)	70,261,000	70,261,000
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)	4,800,000	4,800,000
Common stock, shares issued (in shares)	4,800,000	4,800,000

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 27, 2021	Nov. 28, 2020	Nov. 27, 2021	Nov. 28, 2020
Condensed Consolidated Statements of Operations [Abstract]
Net sales	$ 390,903	$ 347,328	$ 722,607	$ 640,110
Cost of sales	347,156	288,877	672,215	564,894
Gross profit	43,747	58,451	50,392	75,216
Selling, general and administrative	47,780	43,873	94,305	87,838
(Gain) loss on disposal of fixed assets	(1,968)	99	(2,181)	122
Operating income (loss)	(2,065)	14,479	(41,732)	(12,744)
Other income (expense):
Interest income, net	129	664	361	1,589
Royalty income	278	280	551	585
Equity income of unconsolidated entities	264	58	399	14
Other, net	1,862	436	7,025	948
Total other income, net	2,533	1,438	8,336	3,136
Income (loss) before income taxes	468	15,917	(33,396)	(9,608)
Income tax (benefit) expense	(677)	3,762	(16,515)	(2,364)
Net income (loss)	1,145	12,155	(16,881)	(7,244)
Less: Loss attributable to noncontrolling interest	(28)	0	(28)	0
Net income (loss) attributable to Cal-Maine Foods, Inc.	$ 1,173	$ 12,155	$ (16,853)	$ (7,244)
Net income (loss) per common share:
Basic (in dollars per share)	$ 0.02	$ 0.25	$ (0.34)	$ (0.15)
Diluted (in dollars per share)	$ 0.02	$ 0.25	$ (0.34)	$ (0.15)
Weighted average shares outstanding:
Basic (in shares)	48,857	48,501	48,859	48,501
Diluted (in shares)	49,016	48,645	48,859	48,501

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 27, 2021	Nov. 28, 2020	Nov. 27, 2021	Nov. 28, 2020
Condensed Consolidated Statements of Comprehensive Loss [Abstract]
Net income (loss)	$ 1,145	$ 12,155	$ (16,881)	$ (7,244)
Other comprehensive income (loss), before tax:
Unrealized holding gain (loss) on available-for-sale securities, net of reclassification adjustments	(355)	(373)	(579)	95
Income tax benefit (expense) related to items of other comprehensive income	87	91	141	(23)
Other comprehensive income (loss), net of tax	(268)	(282)	(438)	72
Comprehensive income (loss)	877	11,873	(17,319)	(7,172)
Less: Comprehensive loss attributable to the noncontrolling interest	(28)	0	(28)	0
Comprehensive income (loss) attributable to Cal-Maine Foods, Inc.	$ 905	$ 11,873	$ (17,291)	$ (7,172)

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Nov. 27, 2021	Nov. 28, 2020
Cash flows from operating activities:
Net loss	$ (16,881)	$ (7,244)
Depreciation and amortization	33,969	29,305
Deferred income taxes	(15,995)	(2,364)
Other adjustments, net	(16,585)	(30,348)
Net cash used in operations	(15,492)	(10,651)
Cash flows from investing activities:
Purchases of investment securities	(26,387)	(29,637)
Sales and maturities of investment securities	67,864	59,077
Distributions from unconsolidated entities	400	2,650
Acquisition of business, net of cash acquired	(44,823)	0
Purchases of property, plant and equipment	(28,647)	(52,373)
Net proceeds from disposal of property, plant and equipment	5,338	253
Net cash used in investing activities	(26,255)	(20,030)
Cash flows from financing activities:
Purchase of common stock by treasury	(18)	(45)
Principal payments on finance lease	(106)	(101)
Contributions	3	5
Net cash used in financing activities	(121)	(141)
Net change in cash and cash equivalents	(41,868)	(30,822)
Cash and cash equivalents at beginning of period	57,352	78,130
Cash and cash equivalents at end of period	15,484	47,308
Supplemental information:
Cash paid for operating leases	425	237
Interest paid	$ 125	$ 129

Summary of Significant Accounti

Summary of Significant Accounting Policies	6 Months Ended
	Nov. 27, 2021
Summary of Significant Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Cal-Maine Foods, Inc. and Subsidiaries Notes to Condensed Consolidated Financial Statements (unaudited) Note 1 - Summary of Significant Accounting Policies Basis of Presentation The "we," Therefore, they United Report adjustments that are, in and, periods are not necessarily indicative of operating results for the entire fiscal Fiscal Year The Company's ended on November 27, 2021 and November 28, 2020 included Use of Estimates The preparation of the assumptions could differ from those estimates. The severity, changing periods in response to COVID-19. Investment Securities Our investment 320”). restrictions current, because the with unrealized changes to losses through cost Gains and losses are recognized in other income of Consolidated Balance Sheets. Trade Receivables Trade receivables 29, 1.1 795 customers based on The monitoring assigned factors. Business Combinations The acquisitions. non-financial assets acquired is determined internally. remaining estimated life of the assets acquired and what management Change in Accounting Principle Effective intended instruments held by financial institutions and other organizations. an “expected based guidance on the period of risk “expected guidance and recorded a $ 422

Acquisition

Acquisition	6 Months Ended
	Nov. 27, 2021
Acquisitions [Abstract]
Acquisitions	Note 2 – Acquisition Effective 50 % LLC (“Red River”), the Company. 1.7 laying located on approximately 400 The 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 88,519 Goodwill 8,481 $ 97,000 Cash and fair value due to the short maturity of these instruments. Inventory consisted primarily value as management believes inventory were all valued based on market prices as of May 30, 2021. Property, the assets and subtracting any depreciation resulting from physical deterioration The Company 4.5 50 % equity held before the business combination. The gain Company’s of $ 8.3 7.3 investment 954,000 non-taxable recorded a $ 8.5 The recognition to be deductible for income tax purposes.

Investment Securities

Investment Securities	6 Months Ended
	Nov. 27, 2021
Investments Securities [Abstract]
Investment Securities	Note 3 - Investment Securities The following represents the Company’s November 27, 2021 Amortized Cost Unrealized Gains Unrealized Losses Estimated Fair Value Municipal bonds $ 917 $ 4 $ — $ 921 Commercial paper 5,983 — 2 5,981 Corporate bonds 54,457 110 — 54,567 Asset backed securities 8,239 — 36 8,203 Total current $ 69,596 $ 114 $ 38 $ 69,672 Mutual funds $ 2,105 $ 1,951 $ — $ 4,056 Total noncurrent $ 2,105 $ 1,951 $ — $ 4,056 May 29, 2021 Amortized Cost Unrealized Gains Unrealized Losses Estimated Fair Value Municipal bonds $ 16,424 $ 56 $ — $ 16,480 Commercial paper 1,998 — — 1,998 Corporate bonds 80,092 608 — 80,700 Certificates of deposits 1,077 — 1 1,076 Asset backed securities 11,914 — 10 11,904 Total current $ 111,505 $ 664 $ 11 $ 112,158 Mutual funds $ 2,306 $ 1,810 $ — $ 4,116 Total noncurrent $ 2,306 $ 1,810 $ — $ 4,116 Available-for-sale Proceeds from 67.9 59.1 twenty-six weeks ended 165 57 losses 67 no twenty-six weeks no 2021. Actual maturities without penalties. Contractual maturities of current investments at November Estimated Fair Value Within one year $ 41,326 1-5 years 28,346 Total $ 69,672 Noncurrent Proceeds 453 ended November 165 thousand. There were no no investment securities during the twenty-six weeks ended November

Fair Value Measurements

Fair Value Measurements	6 Months Ended
	Nov. 27, 2021
Fair Value Measurements [Abstract]
Fair Value Measurements	Note 4 - Fair Value The Company hierarchy. The knowledgeable, and willing be settle the liability with the creditor. • Level 1 • Level 2 directly or indirectly, ◦ Quoted prices for similar assets or liabilities in active markets ◦ Quoted prices for identical or similar assets in non-active markets ◦ Inputs other than quoted prices that are observable for the asset or liability ◦ Inputs derived principally from or corroborated by other observable • Level 3 significant to the fair value of the assets or liabilities The disclosures of fair value of certain financial assets and liabilities that are recorded Cash and cash equivalents, accounts receivable, short maturity of these instruments. Lease obligations: Assets and Liabilities Measured at Fair In liabilities measured at fair value on a recurring basis as of November 27, 2021 and May November 27, 2021 Level 1 Level 2 Level 3 Balance Assets Municipal bonds $ — $ 921 $ — $ 921 Commercial paper — 5,981 — 5,981 Corporate bonds — 54,567 — 54,567 Asset backed securities — 8,203 — 8,203 Mutual funds 4,056 — — 4,056 Total assets measured at fair $ 4,056 $ 69,672 $ — $ 73,728 May 29, 2021 Level 1 Level 2 Level 3 Balance Assets Municipal bonds $ — $ 16,480 $ — $ 16,480 Commercial paper — 1,998 — 1,998 Corporate bonds — 80,700 — 80,700 Certificates of deposits — 1,076 — 1,076 Asset backed securities — 11,904 — 11,904 Mutual funds 4,116 — — 4,116 Total assets measured at fair $ 4,116 $ 112,158 $ — $ 116,274 Investment when purchased. We Observable inputs for these securities are yields, credit risks, default rates, and volatility.

Inventories

Inventories	6 Months Ended
	Nov. 27, 2021
Inventories [Abstract]
Inventories	Note 5 - Inventories Inventories consisted of the following as of November 27, 2021 November 27, 2021 May 29, 2021 Flocks, net of amortization $ 139,645 $ 123,860 Eggs and egg products 23,043 21,084 Feed and supplies 73,513 73,431 $ 236,201 $ 218,375 We breeders November 27, 2021 consisted of approximately 9.3 42.9

Accrued Dividends Payable And D

Accrued Dividends Payable And Dividends per Common Share	6 Months Ended
	Nov. 27, 2021
Accrued Dividends Payable And Dividends Per Common Share [Abstract]
Accrued Dividends Payable And Dividends Per Common Share	Note 6 - Accrued Dividends Payable and Dividends per Common We The Company quarter for in an amount following the to shareholders of record on the 65th day after the Following a quarter for which the Company does not report net income not pay a dividend date of cumulative losses to be recovered before payment of a dividend was $ 21.1 On computation in the following table (in thousands, except per share data): Thirteen Weeks Twenty-six Weeks November 27, November 28, November 27, November 28, Net income (loss) $ 1,173 $ 12,155 $ (16,853) $ (7,244) Cumulative losses to be recovered prior to payment of divided at beginning of period (22,270) (20,769) (4,244) (1,370) Net income available for dividend $ — $ — $ — $ — 1/3 of net income attributable to Cal-Maine Foods, Inc. available for dividend — Common stock outstanding (shares) 44,057 Class A common stock outstanding (shares) 4,800 Total common stock 48,857 *Dividends per common share outstanding (shares).

Credit Facility

Credit Facility	6 Months Ended
	Nov. 27, 2021
Credit Facility [Abstract]
Credit Facility	Note 7 – Credit Facility On five - year 2018. “Revolver”), 250 15 issuance 15 accordion Credit Facility 200 one or more times the revolving commitments under the Revolver. no the Credit Facility and $ 4.1 The Eurodollar reserve adjusted one , two , three , six or twelve highest 0.50 % Agent, and (c) the Eurodollar Rate for one 1 % per annum, subject to certain interest The 0.00 % 0.75 % 1.00 % 1.75 % Eurodollar quarterly pricing from 0.15 % 0.25 % quarterly pricing date. The Credit Agreement contains customary provisions The Company (the and (including farm products) and deposit accounts maintained with the Administrative The incurrence of requires maintenance no greater than 50 %; and (ii) a requirement 700 50 % of net Additionally, any trust, partnership, similar limited liability 100 % of the voting control foregoing, shall maintain 50 % of the Company's default under the terms of the one-third payment of other dividend Company and its subsidiaries plus availability under the Credit Facility equals 50 The Credit default, including acceleration Facility. At November 27, 2021, we were in compliance with the covenant requirements of

Equity

Equity	6 Months Ended
	Nov. 27, 2021
Equity [Abstract]
Equity	Note 8 - Equity The following reflects (in thousands): Thirteen Weeks Cal-Maine Foods, Inc. Stockholders Common Stock Class A Treasury Paid In Accum. Other Retained Noncontrolling Amount Amount Amount Capital Comp. Loss Earnings Interest Total Balance at August 28, 2021 $ 703 $ 48 $ (27,451) $ 65,044 $ (728) $ 957,951 $ — $ 995,567 Other comprehensive loss, net of tax — — — — (268) — — (268) Stock compensation plan transactions — — 1 975 — — — 976 Contributions — — — — — — 3 3 Net income (loss) — — — — — 1,173 (28) 1,145 Balance at November 27, 2021 $ 703 $ 48 $ (27,450) $ 66,019 $ (996) $ 959,124 $ (25) $ 997,423 Thirteen Weeks Cal-Maine Foods, Inc. Stockholders Common Stock Class A Treasury Paid In Accum. Other Retained Amount Amount Amount Capital Comp. Income Earnings Total Balance at August 29, 2020 $ 703 $ 48 $ (26,676) $ 61,267 $ 433 $ 956,170 $ 991,945 Other comprehensive loss, net of tax — — — — (282) — (282) Stock compensation plan transactions — — (47) 934 — — 887 Contributions — — — 5 — — 5 Net income — — — — — 12,155 12,155 Balance at November 28, 2020 $ 703 $ 48 $ (26,723) $ 62,206 $ 151 $ 968,325 $ 1,004,710 Twenty-six Weeks Cal-Maine Foods, Inc. Stockholders Common Stock Class A Treasury Paid In Accum. Other Retained Noncontrolling Amount Amount Amount Capital Comp. Earnings Interest Total Balance at May 29, 2021 $ 703 $ 48 $ (27,433) $ 64,044 $ (558) $ 975,977 $ — $ 1,012,781 Other comprehensive loss, net of tax — — — — (438) — — (438) Stock compensation plan transactions — — (17) 1,975 — — — 1,958 Contributions — — — — — — 3 3 Net loss — — — — — (16,853) (28) (16,881) Balance at November 27, 2021 $ 703 $ 48 $ (27,450) $ 66,019 $ (996) $ 959,124 $ (25) $ 997,423 Twenty-six Weeks Cal-Maine Foods, Inc. Stockholders Common Stock Class A Treasury Paid In Accum. Other Retained Amount Amount Amount Capital Comp. Income Earnings Total Balance at May 30, 2020 $ 703 $ 48 $ (26,674) $ 60,372 $ 79 $ 975,147 $ 1,009,675 Impact of ASC 326 — — — — — 422 422 Balance at May 31 2020 703 48 (26,674) 60,372 79 975,569 1,010,097 Other comprehensive income, net of tax — — — — 72 — 72 Stock compensation plan transactions — — (49) 1,829 — — 1,780 Contributions — — — 5 — — 5 Net loss — — — — — (7,244) (7,244) Balance at November 28, 2020 $ 703 $ 48 $ (26,723) $ 62,206 $ 151 $ 968,325 $ 1,004,710

Net Income (Loss) per Common Sh

Net Income (Loss) per Common Share	6 Months Ended
	Nov. 27, 2021
Net Income (Loss) per Common Share [Abstract]
Net Loss per Common Share	Note 9 - Net Income (Loss) per Common Share Basic net Diluted net income the dilutive 145 139 losses for the first twenty-six weeks of fiscal 2022 per share calculation. The income per common share (amounts in thousands, except per share data): Thirteen Weeks Twenty-six Weeks November 27, 2021 November 28, 2020 November 27, 2021 November 28, 2020 Numerator Net income (loss) $ 1,145 $ 12,155 $ (16,881) $ (7,244) Less: Loss attributable to noncontrolling interest (28) — (28) — Net income (loss) attributable to Cal- Maine Foods, Inc. $ 1,173 $ 12,155 $ (16,853) $ (7,244) Denominator Weighted-average outstanding, basic 48,857 48,501 48,859 48,501 Effect of dilutive restricted shares 159 144 — — Weighted-average outstanding, diluted 49,016 48,645 48,859 48,501 Net income (loss) per common share attributable to Cal-Maine Foods, Inc. Basic $ 0.02 $ 0.25 $ (0.34) $ (0.15) Diluted $ 0.02 $ 0.25 $ (0.34) $ (0.15)

Revenue Recognition

Revenue Recognition	6 Months Ended
	Nov. 27, 2021
Revenue Recognition [Abstract]
Revenue Recognition	Note 10 - Revenue Recognition Satisfaction of Performance Obligation Most of the Pricing for the contract for that order. Revenues are shell eggs our upon satisfaction customer agreeing upon the order. Returns and Refunds Some of our contracts customer is unable data corresponding reduction in trade accounts receivable. Sales Incentives Provided to Customers The discount offers a minimum reduction reduction historical ‘‘Net sales.’’ Disaggregation of Revenue The following table provides revenue disaggregated by product category Thirteen Weeks Twenty-six Weeks November 27, 2021 November 28, 2020 November 27, 2021 November 28, 2020 Conventional shell egg sales $ 223,258 $ 201,725 $ 405,807 $ 357,109 Specialty shell egg sales 155,853 134,082 294,510 263,327 Egg products 11,401 9,932 20,767 16,637 Other 391 1,589 1,523 3,037 $ 390,903 $ 347,328 $ 722,607 $ 640,110 Contract Costs The Company can incur costs to one year, and is immaterial. Contract Balances The Company There are rarely contract assets or liabilities related to performance under

Leases

Leases	6 Months Ended
	Nov. 27, 2021
Leases [Abstract]
Leases	Note 11 - Leases Expenses related in Cost of sales, Selling general and administrative expense, and of Operations. The Company’s lease cost consists Thirteen Weeks Twenty-six Weeks November 27, 2021 November 27, 2021 Operating lease cost $ 208 $ 425 Finance lease cost Amortization of right-of-use asset $ 44 $ 88 Interest on lease obligations $ 7 $ 14 Short term lease cost $ 1,097 $ 2,135 Future minimum lease payments under non-cancelable leases are as follows As of November 27, 2021 Operating Leases Finance Leases Remainder fiscal 2022 $ 378 $ 120 2023 539 239 2024 380 217 2025 130 — 2026 26 — 2027 5 — Total 1,458 576 Less imputed interest (111) (30) Total $ 1,347 $ 546 The Balance Sheet are as follows: As of November 27, 2021 Operating Leases Finance Leases Weighted-average 2.6 2.0 Weighted-average 5.9 % 4.9 %

Stock Based Compensation

Stock Based Compensation	6 Months Ended
	Nov. 27, 2021
Stock Based Compensation [Abstract]
Stock Based Compensation	Note 12 - Stock Based Compensation Total stock-based 2.0 1.8 and November 28, 2020, respectively. Unrecognized Restated 4.6 average period of 1.7 16: Stock Compensation Plans in our 2021 Annual Report for further information The Company’s restricted share activity Number of Shares Weighted Average Grant Date Fair Value Outstanding, May 29, 2021 302,147 $ 39.37 Vested (1,359) 40.34 Forfeited (1,460) 37.70 Outstanding, November 27, 2021 299,328 $ 39.38

Commitments and Contingencies

Commitments and Contingencies	6 Months Ended
	Nov. 27, 2021
Commitments and Contingencies [Abstract]
Commitments and Contingencies	Note 13 - Commitments and Contingencies Financial Instruments The 4.1 under recorded as a liability on the consolidated balance sheets. LEGAL PROCEEDINGS State of Texas On April of Court of violation (“DTPA”). COVID-19 permanent $ 100,000 prejudice. On September First District. The 8, 2021. The to this matter to be remote. Bell et al. v. Cal-Maine Foods et al. On 1:20-cv-461, producers, and farms. Plaintiffs assert that defendants for eggs Plaintiffs seek to enjoin eggs prior 10,000 250,000 each violation motion to motion to judge dismissed without report complaint; thereafter, case without of motion. Kraft Foods Global, Inc. et al. v. As previously cases involving plaintiffs who sought remaining plaintiffs The Kellogg Company. On September the MDL No. 2002, to Egg defendants illegally to raise the prices that plaintiffs certain features of producers. The and seek the preparing a final pretrial docket entry, informed status hearing was stricken. No trial schedule has yet been entered by the In addition, dismissing condition or results not yet entered a judgment on the filing. The Company intends to on resolution of management Products Plaintiffs, due to a range of remand; factual issues money damages). State of Oklahoma Watershed Pollution On June 18, against Cal-Maine Foods, Inc. and Inc. and chicken The complaint court. Foods, remediation. Since 100 % of the Foods, LLC, LLC is not a defendant in the litigation. The trial in the case has not yet issued its ruling. Management believes the risk of material loss related Other Matters In addition to outcome of the final outcome should not have a material effect on the Company’s

Related Party Transaction

Related Party Transaction	6 Months Ended
	Nov. 27, 2021
Related Party Transaction [Abstract]
Related Party Transaction	Note 14 - Related Party Transaction On Adams, beneficiaries 6,900,000 Common Stock held by them, pursuant to a previously as an exhibit to our 2021 Annual Report. Mrs. Adams and the offering including the Prospectus each of Common capital legal 1.1 million. Pursuant to the Agreement, the Selling Stockholders reimbursed 551

Summary of Significant Accoun_2

Summary of Significant Accounting Policies (Policy)	6 Months Ended
	Nov. 27, 2021
Summary of Significant Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation The "we," Therefore, they United Report adjustments that are, in and, periods are not necessarily indicative of operating results for the entire fiscal
Fiscal Year	Fiscal Year The Company's ended on November 27, 2021 and November 28, 2020 included
Use of Estimates	Use of Estimates The preparation of the assumptions could differ from those estimates. The severity, changing periods in response to COVID-19.
Investment Securities	Investment Securities Our investment 320”). restrictions current, because the with unrealized changes to losses through cost Gains and losses are recognized in other income of Consolidated Balance Sheets.
Trade Receivables	Trade Receivables Trade receivables 29, 1.1 795 customers based on The monitoring assigned factors.
Business Combinations	Business Combinations The acquisitions. non-financial assets acquired is determined internally. remaining estimated life of the assets acquired and what management
Change in Accounting Principle	Change in Accounting Principle Effective intended instruments held by financial institutions and other organizations. an “expected based guidance on the period of risk “expected guidance and recorded a $ 422

Acquisition (Tables)

Acquisition (Tables)	6 Months Ended
	Nov. 27, 2021
Acquisitions [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 88,519 Goodwill 8,481 $ 97,000

Investment Securities (Tables)

Investment Securities (Tables)	6 Months Ended
	Nov. 27, 2021
Investments Securities [Abstract]
Schedule Of Investment Securities	November 27, 2021 Amortized Cost Unrealized Gains Unrealized Losses Estimated Fair Value Municipal bonds $ 917 $ 4 $ — $ 921 Commercial paper 5,983 — 2 5,981 Corporate bonds 54,457 110 — 54,567 Asset backed securities 8,239 — 36 8,203 Total current $ 69,596 $ 114 $ 38 $ 69,672 Mutual funds $ 2,105 $ 1,951 $ — $ 4,056 Total noncurrent $ 2,105 $ 1,951 $ — $ 4,056 May 29, 2021 Amortized Cost Unrealized Gains Unrealized Losses Estimated Fair Value Municipal bonds $ 16,424 $ 56 $ — $ 16,480 Commercial paper 1,998 — — 1,998 Corporate bonds 80,092 608 — 80,700 Certificates of deposits 1,077 — 1 1,076 Asset backed securities 11,914 — 10 11,904 Total current $ 111,505 $ 664 $ 11 $ 112,158 Mutual funds $ 2,306 $ 1,810 $ — $ 4,116 Total noncurrent $ 2,306 $ 1,810 $ — $ 4,116
Schedule Of Contractual Maturities Of Investment Securities	Estimated Fair Value Within one year $ 41,326 1-5 years 28,346 Total $ 69,672

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	6 Months Ended
	Nov. 27, 2021
Fair Value Measurements [Abstract]
Schedule Of Assets Measured At Fair Value On A Recurring Basis	November 27, 2021 Level 1 Level 2 Level 3 Balance Assets Municipal bonds $ — $ 921 $ — $ 921 Commercial paper — 5,981 — 5,981 Corporate bonds — 54,567 — 54,567 Asset backed securities — 8,203 — 8,203 Mutual funds 4,056 — — 4,056 Total assets measured at fair $ 4,056 $ 69,672 $ — $ 73,728 May 29, 2021 Level 1 Level 2 Level 3 Balance Assets Municipal bonds $ — $ 16,480 $ — $ 16,480 Commercial paper — 1,998 — 1,998 Corporate bonds — 80,700 — 80,700 Certificates of deposits — 1,076 — 1,076 Asset backed securities — 11,904 — 11,904 Mutual funds 4,116 — — 4,116 Total assets measured at fair $ 4,116 $ 112,158 $ — $ 116,274

Inventories (Tables)

Inventories (Tables)	6 Months Ended
	Nov. 27, 2021
Inventories [Abstract]
Schedule of Inventories	November 27, 2021 May 29, 2021 Flocks, net of amortization $ 139,645 $ 123,860 Eggs and egg products 23,043 21,084 Feed and supplies 73,513 73,431 $ 236,201 $ 218,375

Accrued Dividends Payable And_2

Accrued Dividends Payable And Dividends per Common Share (Tables)	6 Months Ended
	Nov. 27, 2021
Accrued Dividends Payable And Dividends Per Common Share [Abstract]
Schedule of Dividends	Thirteen Weeks Twenty-six Weeks November 27, November 28, November 27, November 28, Net income (loss) $ 1,173 $ 12,155 $ (16,853) $ (7,244) Cumulative losses to be recovered prior to payment of divided at beginning of period (22,270) (20,769) (4,244) (1,370) Net income available for dividend $ — $ — $ — $ — 1/3 of net income attributable to Cal-Maine Foods, Inc. available for dividend — Common stock outstanding (shares) 44,057 Class A common stock outstanding (shares) 4,800 Total common stock 48,857 *Dividends per common share outstanding (shares).

Equity (Tables)

Equity (Tables)	6 Months Ended
	Nov. 27, 2021
Equity [Abstract]
Schedule of Statement of Stockholders' Equity Activities, Including Noncontrolling Interest	Thirteen Weeks Cal-Maine Foods, Inc. Stockholders Common Stock Class A Treasury Paid In Accum. Other Retained Noncontrolling Amount Amount Amount Capital Comp. Loss Earnings Interest Total Balance at August 28, 2021 $ 703 $ 48 $ (27,451) $ 65,044 $ (728) $ 957,951 $ — $ 995,567 Other comprehensive loss, net of tax — — — — (268) — — (268) Stock compensation plan transactions — — 1 975 — — — 976 Contributions — — — — — — 3 3 Net income (loss) — — — — — 1,173 (28) 1,145 Balance at November 27, 2021 $ 703 $ 48 $ (27,450) $ 66,019 $ (996) $ 959,124 $ (25) $ 997,423 Twenty-six Weeks Cal-Maine Foods, Inc. Stockholders Common Stock Class A Treasury Paid In Accum. Other Retained Noncontrolling Amount Amount Amount Capital Comp. Earnings Interest Total Balance at May 29, 2021 $ 703 $ 48 $ (27,433) $ 64,044 $ (558) $ 975,977 $ — $ 1,012,781 Other comprehensive loss, net of tax — — — — (438) — — (438) Stock compensation plan transactions — — (17) 1,975 — — — 1,958 Contributions — — — — — — 3 3 Net loss — — — — — (16,853) (28) (16,881) Balance at November 27, 2021 $ 703 $ 48 $ (27,450) $ 66,019 $ (996) $ 959,124 $ (25) $ 997,423 Thirteen Weeks Cal-Maine Foods, Inc. Stockholders Common Stock Class A Treasury Paid In Accum. Other Retained Amount Amount Amount Capital Comp. Income Earnings Total Balance at August 29, 2020 $ 703 $ 48 $ (26,676) $ 61,267 $ 433 $ 956,170 $ 991,945 Other comprehensive loss, net of tax — — — — (282) — (282) Stock compensation plan transactions — — (47) 934 — — 887 Contributions — — — 5 — — 5 Net income — — — — — 12,155 12,155 Balance at November 28, 2020 $ 703 $ 48 $ (26,723) $ 62,206 $ 151 $ 968,325 $ 1,004,710 Twenty-six Weeks Cal-Maine Foods, Inc. Stockholders Common Stock Class A Treasury Paid In Accum. Other Retained Amount Amount Amount Capital Comp. Income Earnings Total Balance at May 30, 2020 $ 703 $ 48 $ (26,674) $ 60,372 $ 79 $ 975,147 $ 1,009,675 Impact of ASC 326 — — — — — 422 422 Balance at May 31 2020 703 48 (26,674) 60,372 79 975,569 1,010,097 Other comprehensive income, net of tax — — — — 72 — 72 Stock compensation plan transactions — — (49) 1,829 — — 1,780 Contributions — — — 5 — — 5 Net loss — — — — — (7,244) (7,244) Balance at November 28, 2020 $ 703 $ 48 $ (26,723) $ 62,206 $ 151 $ 968,325 $ 1,004,710

Net Income (Loss) per Common _2

Net Income (Loss) per Common Share (Tables)	6 Months Ended
	Nov. 27, 2021
Net Income (Loss) per Common Share [Abstract]
Computation of Basic and Diluted Net Income Per Share	Thirteen Weeks Twenty-six Weeks November 27, 2021 November 28, 2020 November 27, 2021 November 28, 2020 Numerator Net income (loss) $ 1,145 $ 12,155 $ (16,881) $ (7,244) Less: Loss attributable to noncontrolling interest (28) — (28) — Net income (loss) attributable to Cal- Maine Foods, Inc. $ 1,173 $ 12,155 $ (16,853) $ (7,244) Denominator Weighted-average outstanding, basic 48,857 48,501 48,859 48,501 Effect of dilutive restricted shares 159 144 — — Weighted-average outstanding, diluted 49,016 48,645 48,859 48,501 Net income (loss) per common share attributable to Cal-Maine Foods, Inc. Basic $ 0.02 $ 0.25 $ (0.34) $ (0.15) Diluted $ 0.02 $ 0.25 $ (0.34) $ (0.15)

Revenue Recognition (Tables)

Revenue Recognition (Tables)	6 Months Ended
	Nov. 27, 2021
Revenue Recognition [Abstract]
Disaggregation of Revenue	Thirteen Weeks Twenty-six Weeks November 27, 2021 November 28, 2020 November 27, 2021 November 28, 2020 Conventional shell egg sales $ 223,258 $ 201,725 $ 405,807 $ 357,109 Specialty shell egg sales 155,853 134,082 294,510 263,327 Egg products 11,401 9,932 20,767 16,637 Other 391 1,589 1,523 3,037 $ 390,903 $ 347,328 $ 722,607 $ 640,110

Leases (Tables)

Leases (Tables)	6 Months Ended
	Nov. 27, 2021
Leases [Abstract]
Schedule of Lease Cost	Thirteen Weeks Twenty-six Weeks November 27, 2021 November 27, 2021 Operating lease cost $ 208 $ 425 Finance lease cost Amortization of right-of-use asset $ 44 $ 88 Interest on lease obligations $ 7 $ 14 Short term lease cost $ 1,097 $ 2,135
Schedule of Future Minimum Lease Payments	As of November 27, 2021 Operating Leases Finance Leases Remainder fiscal 2022 $ 378 $ 120 2023 539 239 2024 380 217 2025 130 — 2026 26 — 2027 5 — Total 1,458 576 Less imputed interest (111) (30) Total $ 1,347 $ 546
Schedule of Weighted-Average Information	As of November 27, 2021 Operating Leases Finance Leases Weighted-average 2.6 2.0 Weighted-average 5.9 % 4.9 %

Stock Based Compensation (Tabl

Stock Based Compensation (Tables)	6 Months Ended
	Nov. 27, 2021
Stock Based Compensation [Abstract]
Summary of Equity Award Activity	Number of Shares Weighted Average Grant Date Fair Value Outstanding, May 29, 2021 302,147 $ 39.37 Vested (1,359) 40.34 Forfeited (1,460) 37.70 Outstanding, November 27, 2021 299,328 $ 39.38

Summary of Significant Accoun_3

Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands	Nov. 27, 2021	May 29, 2021	May 30, 2020
Significant Accounting Policies [Line Items]
Reserves for credit losses	$ 1,100	$ 795
Stockholders' equity	997,448	$ 1,012,781
Retained Earnings [Member]
Significant Accounting Policies [Line Items]
Stockholders' equity	$ 959,124
Retained Earnings [Member] | Restatement Adjustment [Member]
Significant Accounting Policies [Line Items]
Stockholders' equity			$ 422

Acquisition (Narrative) (Detail

Acquisition (Narrative) (Details) - Red River Valley Egg Farm Llc [Member] Layers in Millions	May 30, 2021USD ($)aLayers	May 29, 2021
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
Ownership percentage		50.00%
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	954,000
Deferred tax liability recognized	$ 8,481,000

Acquisition (Allocation of Purc

Acquisition (Allocation of Purchase Price) (Details) - USD ($) $ in Thousands	May 30, 2021	Nov. 27, 2021	May 29, 2021
Business Acquisition [Line Items]
Goodwill		$ 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

Investment Securities (Narrativ

Investment Securities (Narrative) (Details) - USD ($)	6 Months Ended
	Nov. 27, 2021	Nov. 28, 2020	May 29, 2021
Investments Securities [Abstract]
Proceeds from sale of available-for-sale securities, current	$ 67,900,000	$ 59,100,000
Proceeds from sale of available-for-sale securities, noncurrent	453,000	0
Gross realized gains on sales of available-for-sale securities, current	165,000	57,000
Gross realized gains on sales of available-for-sale securities, noncurrent	165,000
Gross realized losses on sales of available-for-sale securities, current	67,000	$ 0
Gross realized losses on sales of available-for-sale securities, noncurrent	0
Allowance for credit losses	$ 0		$ 0

Investment Securities (Schedule

Investment Securities (Schedule of Investment Securities) (Details) - USD ($) $ in Thousands	Nov. 27, 2021	May 29, 2021
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	$ 69,596	$ 111,505
Unrealized Gains, Current	114	664
Unrealized Losses, Current	38	11
Estimated Fair Value, Current	69,672	112,158
Amortized Cost, Noncurrent	2,105	2,306
Unrealized Gains, Noncurrent	1,951	1,810
Unrealized Losses, Noncurrent	0	0
Estimated Fair Value, Noncurrent	4,056	4,116
Municipal Bonds [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	917	16,424
Unrealized Gains, Current	4	56
Unrealized Losses, Current	0	0
Estimated Fair Value, Current	921	16,480
Commercial Paper [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	5,983	1,998
Unrealized Gains, Current	0	0
Unrealized Losses, Current	2	0
Estimated Fair Value, Current	5,981	1,998
Corporate Bonds [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	54,457	80,092
Unrealized Gains, Current	110	608
Unrealized Losses, Current	0	0
Estimated Fair Value, Current	54,567	80,700
Certificates of Deposits [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current		1,077
Unrealized Gains, Current		0
Unrealized Losses, Current		1
Estimated Fair Value, Current		1,076
Asset Backed Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Current	8,239	11,914
Unrealized Gains, Current	0	0
Unrealized Losses, Current	36	10
Estimated Fair Value, Current	8,203	11,904
Mutual Funds [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost, Noncurrent	2,105	2,306
Unrealized Gains, Noncurrent	1,951	1,810
Unrealized Losses, Noncurrent	0	0
Estimated Fair Value, Noncurrent	$ 4,056	$ 4,116

Investment Securities (Schedu_2

Investment Securities (Schedule of Contractual Maturities of Investment Securities) (Details) - USD ($) $ in Thousands	Nov. 27, 2021	May 29, 2021
Investments Securities [Abstract]
Within one year	$ 41,326
1-5 years	28,346
Total	$ 69,672	$ 112,158

Fair Value Measurements (Schedu

Fair Value Measurements (Schedule of Assets Measured at Fair Value on A Recurring Basis) (Details) - USD ($) $ in Thousands	Aug. 28, 2021	May 29, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	$ 73,728	$ 116,274
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	4,056	4,116
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	69,672	112,158
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	921	16,480
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	921	16,480
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	5,981	1,998
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	5,981	1,998
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	54,567	80,700
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	54,567	80,700
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		1,076
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
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		1,076
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
Asset Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	8,203	11,904
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	8,203	11,904
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
Mutual Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	4,056	4,116
Mutual Funds [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	4,056	4,116
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

Inventories (Narrative) (Detail

Inventories (Narrative) (Details) Pellets in Millions, Layers in Millions	Nov. 27, 2021LayersPellets
Inventories [Abstract]
Pullets and breeders | Pellets	9.3
Layers | Layers	42.9

Inventories (Schedule Of Invent

Inventories (Schedule Of Inventories) (Details) - USD ($) $ in Thousands	Nov. 27, 2021	May 29, 2021
Inventories [Abstract]
Flocks, net of amortization	$ 139,645	$ 123,860
Eggs and egg products	23,043	21,084
Feed and supplies	73,513	73,431
Total inventories	$ 236,201	$ 218,375

Accrued Dividends Payable And_3

Accrued Dividends Payable And Dividends per Common Share (Narrative) (Details) $ in Millions	Nov. 27, 2021USD ($)
Accrued Dividends Payable And Dividends Per Common Share [Abstract]
Cumulative losses to be recovered prior to paying dividend	$ 21.1

Accrued Dividends Payable And_4

Accrued Dividends Payable And Dividends per Common Share (Schedule of Dividends) (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended			6 Months Ended
	Nov. 27, 2021	Nov. 28, 2020	Aug. 29, 2020	Nov. 27, 2021	Nov. 28, 2020
Class of Stock [Line Items]
Net Income (Loss)	$ 1,173	$ 12,155		$ (16,853)	$ (7,244)
Cumulative losses to be recovered prior to payment of divided at beginning of period	(22,270)	$ (20,769)		(4,244)	(1,370)
Net income available for dividend	0		$ 0	$ 0	$ 0
1/3 of net income attributable to Cal-Maine Foods, Inc. available for dividend	$ 0
Common stock outstanding (shares)	48,857			48,857
Common Stock [Member]
Class of Stock [Line Items]
Common stock outstanding (shares)	44,057			44,057
Class A Common Stock [Member]
Class of Stock [Line Items]
Common stock outstanding (shares)	4,800			4,800

Credit Facility (Narrative) (De

Credit Facility (Narrative) (Details) - Credit Agreement [Member]	6 Months Ended
	Nov. 27, 2021USD ($)
Line Of Credit Facility [Line Items]
Credit facility term	5 years
Maximum borrowing capacity	$ 250,000,000
Available additional capacity	200,000,000
Amount outstanding	$ 0
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%
Dividend policy, percentage	33.33%
Minimum cash, cash equivalents, and credit facility availability	$ 50,000,000
Minimum [Member]
Line Of Credit Facility [Line Items]
Commitment fee	0.15%
Maximum [Member]
Line Of Credit Facility [Line Items]
Commitment fee	0.25%
Eurodollar [Member] | Minimum [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
Eurodollar [Member] | Maximum [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	1.75%
Eurodollar, One Month [Member]
Line Of Credit Facility [Line Items]
Interest period	1 month
Eurodollar, Two Month [Member]
Line Of Credit Facility [Line Items]
Interest period	2 months
Eurodollar, Three Month [Member]
Line Of Credit Facility [Line Items]
Interest period	3 months
Eurodollar, Six Month [Member]
Line Of Credit Facility [Line Items]
Interest period	6 months
Eurodollar, Twelve Month [Member]
Line Of Credit Facility [Line Items]
Interest period	12 months
Base Rate [Member] | Minimum [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	0.00%
Base Rate [Member] | Maximum [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	0.75%
Base Rate, Federal Funds [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	0.50%
Base Rate, Eurodollar [Member]
Line Of Credit Facility [Line Items]
Interest period	1 month
Basis spread on variable rate	1.00%
Standby Letters of Credit [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity	$ 15,000,000
Amount outstanding	4,100,000
Swingline [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity	$ 15,000,000

Equity (Schedule of Statement o

Equity (Schedule of Statement of Stockholders' Equity Activities, Including Noncontrolling Interest) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Nov. 27, 2021	Nov. 28, 2020	Nov. 27, 2021	Nov. 28, 2020
Schedule of Stockholders Equity [Line Items]
Beginning balance	$ 995,567,000	$ 991,945,000	$ 1,012,781,000	$ 1,009,675,000
Other comprehensive income (loss), net of tax	(268,000)	(282,000)	(438,000)	72,000
Stock compensation plan transactions	976,000	887,000	1,958,000	1,780,000
Contributions	3,000	5,000	3,000	5,000
Net income (loss)	1,145,000	12,155,000	(16,881,000)	(7,244,000)
Ending balance	997,423,000	1,004,710,000	997,423,000	1,004,710,000
Adjustment [Member]
Schedule of Stockholders Equity [Line Items]
Beginning balance				422,000
Cumulative Effect Period Of Adoption Adjusted Balance [Member]
Schedule of Stockholders Equity [Line Items]
Beginning balance				1,010,097,000
Treasury Stock [Member]
Schedule of Stockholders Equity [Line Items]
Beginning balance	(27,451,000)	(26,676,000)	(27,433,000)	(26,674,000)
Stock compensation plan transactions	1,000	(47,000)	(17,000)	(49,000)
Ending balance	(27,450,000)	(26,723,000)	(27,450,000)	(26,723,000)
Treasury Stock [Member] | Cumulative Effect Period Of Adoption Adjusted Balance [Member]
Schedule of Stockholders Equity [Line Items]
Beginning balance				(26,674,000)
Additional Paid-in Capital [Member]
Schedule of Stockholders Equity [Line Items]
Beginning balance	65,044,000	61,267,000	64,044,000	60,372,000
Stock compensation plan transactions	975,000	934,000	1,975,000	1,829,000
Contributions		5,000		5,000
Ending balance	66,019,000	62,206,000	66,019,000	62,206,000
Additional Paid-in Capital [Member] | Cumulative Effect Period Of Adoption Adjusted Balance [Member]
Schedule of Stockholders Equity [Line Items]
Beginning balance				60,372,000
AOCI Attributable to Parent [Member]
Schedule of Stockholders Equity [Line Items]
Beginning balance	(728,000)	433,000	(558,000)	79,000
Other comprehensive income (loss), net of tax	(268,000)	(282,000)	(438,000)	72,000
Ending balance	(996,000)	151,000	(996,000)	151,000
AOCI Attributable to Parent [Member] | Cumulative Effect Period Of Adoption Adjusted Balance [Member]
Schedule of Stockholders Equity [Line Items]
Beginning balance				79,000
Retained Earnings [Member]
Schedule of Stockholders Equity [Line Items]
Beginning balance	957,951,000	956,170,000	975,977,000	975,147,000
Net income (loss)	1,173,000	12,155,000	(16,853,000)	(7,244,000)
Ending balance	959,124,000	968,325,000	959,124,000	968,325,000
Retained Earnings [Member] | Adjustment [Member]
Schedule of Stockholders Equity [Line Items]
Beginning balance				422,000
Retained Earnings [Member] | Cumulative Effect Period Of Adoption Adjusted Balance [Member]
Schedule of Stockholders Equity [Line Items]
Beginning balance				975,569,000
Noncontrolling Interest [Member]
Schedule of Stockholders Equity [Line Items]
Beginning balance	0		0
Contributions	3,000		3,000
Net income (loss)	(28,000)		(28,000)
Ending balance	(25,000)		(25,000)
Common Stock [Member] | Common Stock [Member]
Schedule of Stockholders Equity [Line Items]
Beginning balance	703,000	703,000	703,000	703,000
Ending balance	703,000	703,000	703,000	703,000
Common Stock [Member] | Common Stock [Member] | Cumulative Effect Period Of Adoption Adjusted Balance [Member]
Schedule of Stockholders Equity [Line Items]
Beginning balance				703,000
Class A Common Stock [Member] | Common Stock [Member]
Schedule of Stockholders Equity [Line Items]
Beginning balance	48,000	48,000	48,000	48,000
Ending balance	$ 48,000	$ 48,000	$ 48,000	48,000
Class A Common Stock [Member] | Common Stock [Member] | Cumulative Effect Period Of Adoption Adjusted Balance [Member]
Schedule of Stockholders Equity [Line Items]
Beginning balance				$ 48,000

Net Income (Loss) per Common _3

Net Income (Loss) per Common Share (Narrative) (Details) - shares shares in Thousands	6 Months Ended
	Nov. 27, 2021	Nov. 28, 2020
Net Income (Loss) per Common Share [Abstract]
Antidilutive restricted shares	145	139

Net Income (Loss) per Common _4

Net Income (Loss) per Common Share (Computation of Basic and Diluted Net Income Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 27, 2021	Nov. 28, 2020	Nov. 27, 2021	Nov. 28, 2020
Net Income (Loss) per Common Share [Abstract]
Net income (loss)	$ 1,145	$ 12,155	$ (16,881)	$ (7,244)
Less: Loss attributable to noncontrolling interest	(28)	0	(28)	0
Net income (loss) attributable to Cal-Maine Foods, Inc.	$ 1,173	$ 12,155	$ (16,853)	$ (7,244)
Denominator
Weighted-average common shares outstanding, basic (in shares)	48,857	48,501	48,859	48,501
Effect of dilutive restricted shares (in shares)	159	144
Weighted-average common shares outstanding, diluted (in shares)	49,016	48,645	48,859	48,501
Net income per common share attributable to Cal-Maine Foods, Inc.
Basic (in dollars per share)	$ 0.02	$ 0.25	$ (0.34)	$ (0.15)
Diluted (in dollars per share)	$ 0.02	$ 0.25	$ (0.34)	$ (0.15)

Revenue Recognition (Disaggrega

Revenue Recognition (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 27, 2021	Nov. 28, 2020	Nov. 27, 2021	Nov. 28, 2020
Disaggregation of Revenue [Line Items]
Net sales	$ 390,903	$ 347,328	$ 722,607	$ 640,110
Conventional shell egg sales [Member]
Disaggregation of Revenue [Line Items]
Net sales	223,258	201,725	405,807	357,109
Specialty shell egg sales [Member]
Disaggregation of Revenue [Line Items]
Net sales	155,853	134,082	294,510	263,327
Egg products [Member]
Disaggregation of Revenue [Line Items]
Net sales	11,401	9,932	20,767	16,637
Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 391	$ 1,589	$ 1,523	$ 3,037

Leases (Schedule of Lease Cost)

Leases (Schedule of Lease Cost) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Nov. 27, 2021	Nov. 27, 2021
Leases [Abstract]
Operating Lease cost	$ 208	$ 425
Finance Lease cost
Amortization of right-of-use asset	44	88
Interest on lease obligations	7	14
Short term lease cost	$ 1,097	$ 2,135

Leases (Schedule of Future Mini

Leases (Schedule of Future Minimum Lease Payments) (Details) $ in Thousands	Nov. 27, 2021USD ($)
Operating Leases
Remainder of fiscal 2022	$ 378
2023	539
2024	380
2025	130
2026	26
2027	5
Total	1,458
Less imputed interest	(111)
Total	1,347
Finance Leases
Remainder fiscal 2022	120
2023	239
2024	217
2025	0
2026	0
2027	0
Total	576
Less imputed interest	(30)
Total	$ 546

Leases (Schedule of Weighted Av

Leases (Schedule of Weighted Average Information) (Details)	Nov. 27, 2021
Operating Leases
Weighted-average remaining lease term (years)	2 years 7 months 6 days
Weighted-average discount rate	5.90%
Finance Leases
Weighted-average remaining lease term (years)	2 years
Weighted-average discount rate	4.90%

Stock Based Compensation (Narra

Stock Based Compensation (Narrative) (Details) - USD ($) $ in Millions	6 Months Ended
	Nov. 27, 2021	Nov. 28, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 4.6
Weighted average period of unrecognized compensation expense	1 year 8 months 12 days
Stock based compensation expense (benefit)	$ 2	$ 1.8

Stock Based Compensation (Summa

Stock Based Compensation (Summary of Equity Award Activity) (Details) shares in Thousands	6 Months Ended
	Nov. 27, 2021$ / sharesshares
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Number of Shares, Outstanding, Beginning Balance (in shares) | shares	302,147
Number of Shares, Vested (in shares) | shares	(1,359)
Number of Shares, Forfeited (in shares) | shares	(1,460)
Number of Shares, Outstanding, Ending Balance (in shares) | shares	299,328
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Weighted Average Grant Date Fair Value, Outstanding, Beginning Balance (in dollars per share) | $ / shares	$ 39.37
Weighted Average Grant Date Fair Value, Vested (in dollars per share) | $ / shares	40.34
Weighted Average Grant Date Fair Value, Forfeited (in dollars per share) | $ / shares	37.70
Weighted Average Grant Date Fair Value, Outstanding, Ending Balance (in dollars per share) | $ / shares	$ 39.38

Commitments and Contingencies (

Commitments and Contingencies (Narrative) (Details) - USD ($)	Apr. 30, 2020	Apr. 23, 2020	Nov. 27, 2021
Loss Contingencies [Line Items]
Standby letters of credit			$ 4,100,000
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	$ 10,000
Pending Litigation | Bell et al. v. Cal-Maine Foods et al. [Member] | Maximum [Member]
Loss Contingencies [Line Items]
Damages sought	$ 250,000

Related Party Transaction (Narr

Related Party Transaction (Narrative) (Details) - Immediate Family Member Of Management Or Principal Owner [Member] $ in Thousands	Aug. 24, 2020USD ($)shares
Related Party Transaction [Line Items]
Shares issued | shares	6,900,000
Fees paid	$ 1,100
Fees reimbursed	$ 551