Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 01, 2018	Sep. 02, 2017
Income Statement [Abstract]
Revenues	$ 340,583	$ 262,845
Cost of Goods and Services Sold	283,455	245,509
Gross profit	57,128	17,336
Selling, general, and administrative expense	44,510	41,710
(Gain) loss on disposal of fixed assets	(59)	4
Operating income (loss)	12,677	(24,378)
Other income (expense):
Interest income, net	1,785	474
Royalty income	501	278
Equity in income (loss) of affiliates	1,429	(353)
Other, net	101	(538)
Total other income (expense)	3,816	(139)
Income (loss) before income taxes and noncontrolling interest	16,493	(24,517)
Income tax (benefit) expense	3,750	(8,340)
Net income (loss) before noncontrolling interest	12,743	(16,177)
Less: Net income (loss) attributable to noncontrolling interest	338	(184)
Net income (loss) attributable to Cal-Maine Foods, Inc.	$ 12,405	$ (15,993)
Net income (loss) per common share attributable to Cal-Maine Foods, Inc.:
Basic (in dollars per share)	$ 0.26	$ (0.33)
Diluted (in dollars per share)	$ 0.26	$ (0.33)
Weighted average shares outstanding:
Basic (in shares)	48,390	48,330
Diluted (in shares)	48,516	48,330