Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 01, 2019	Jun. 02, 2018	Jun. 03, 2017
Income Statement [Abstract]
Net sales	$ 1,361,188	$ 1,502,932	$ 1,074,513
Cost of sales	1,138,329	1,141,886	1,028,963
Gross profit	222,859	361,046	45,550
Selling, general and administrative	174,795	179,316	176,032
Legal settlement expense - See Note 12	2,250	80,750	0
Loss on disposal of fixed assets	33	473	3,664
Operating income (loss)	45,781	100,507	(134,146)
Other income (expense):
Interest expense	(644)	(265)	(318)
Interest income	7,978	3,697	3,103
Patronage dividends	10,482	8,286	7,665
Equity in income of affiliates	4,776	3,517	1,390
Other, net	2,432	1,595	8,012
Total other income	25,024	16,830	19,852
Income (loss) before income taxes and noncontrolling interest	70,805	117,337	(114,294)
Income tax expense (benefit)	15,743	(8,859)	(39,867)
Net income (loss) including noncontrolling interest	55,062	126,196	(74,427)
Less: Net income (loss) attributable to noncontrolling interest	833	264	(149)
Net income (loss) attributable to Cal-Maine Foods, Inc.	$ 54,229	$ 125,932	$ (74,278)
Net income (loss) per share:
Basic (in dollars per share)	$ 1.12	$ 2.60	$ (1.54)
Diluted (in dollars per share)	$ 1.12	$ 2.60	$ (1.54)
Weighted average shares outstanding:
Basic (in shares)	48,467	48,353	48,362
Diluted (in shares)	48,589	48,468	48,362