Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Aug. 31, 2019	Sep. 01, 2018
Income Statement [Abstract]
Net sales	$ 241,166	$ 340,583
Cost of sales	262,291	283,455
Gross profit (loss)	(21,125)	57,128
Selling, general and administrative expense	42,475	44,510
Gain on disposal of fixed assets	(130)	(59)
Operating income (loss)	(63,470)	12,677
Other income (expense):
Interest income, net	1,685	1,785
Royalty income	411	501
Equity in income (loss) of affiliates	(454)	1,429
Other, net	1,336	101
Total other income	2,978	3,816
Income (loss) before income taxes and noncontrolling interest	(60,492)	16,493
Income tax (benefit) expense	(14,771)	3,750
Net income (loss) before noncontrolling interest	(45,721)	12,743
Less: Net income attributable to noncontrolling interest	39	338
Net income (loss) attributable to Cal-Maine Foods, Inc.	$ (45,760)	$ 12,405
Net income (loss) per common share attributable to Cal-Maine Foods, Inc.:
Basic (in dollars per share)	$ (0.94)	$ 0.26
Diluted (in dollars per share)	$ (0.94)	$ 0.26
Weighted average shares outstanding:
Basic (in shares)	48,446	48,390
Diluted (in shares)	48,446	48,516