Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 02, 2017	Aug. 27, 2016
Income Statement [Abstract]
Net sales	$ 262,845	$ 239,845
Cost of sales	245,509	249,414
Gross profit (loss)	17,336	(9,569)
Selling, general, and administrative expense	41,710	40,256
Loss on disposal of fixed assets	4	525
Operating loss	(24,378)	(50,350)
Other income (expense):
Interest income, net	474	1,091
Royalty income	278	406
Equity in income (loss) of affiliates	(353)	191
Other, net	(538)	122
Total other income (loss)	(139)	1,810
Loss before income taxes and noncontrolling interest	(24,517)	(48,540)
Income tax benefit	8,340	17,560
Net loss before noncontrolling interest	(16,177)	(30,980)
Less: Net loss attributable to noncontrolling interest	(184)	(44)
Net loss attributable to Cal-Maine Foods, Inc.	$ (15,993)	$ (30,936)
Net loss per common share attributable to Cal-Maine Foods, Inc.:
Basic (in dollars per share)	$ (0.33)	$ (0.64)
Diluted (in dollars per share)	$ (0.33)	$ (0.64)
Weighted average shares outstanding:
Basic (in shares)	48,330	48,249
Diluted (in shares)	48,330	48,249