Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 03, 2017	May 28, 2016	May 30, 2015
Income Statement [Abstract]
Net sales	$ 1,074,513	$ 1,908,650	$ 1,576,128
Cost of sales	1,028,963	1,260,576	1,180,407
Gross profit	45,550	648,074	395,721
Selling, general and administrative	173,980	177,760	160,386
(Gain) loss on disposal of fixed assets	3,664	(1,563)	568
Operating income (loss)	(132,094)	471,877	234,767
Other income (expense):
Interest expense	(318)	(1,156)	(2,313)
Interest income	3,103	4,314	1,798
Patronage dividends	7,665	6,930	6,893
Equity in income of affiliates	1,390	5,016	2,657
Other, net	5,960	268	2,747
Total other income	17,800	15,372	11,782
Income (loss) before income taxes and noncontrolling interest	(114,294)	487,249	246,549
Income tax expense (benefit)	(39,867)	169,202	84,268
Net income (loss) including noncontrolling interest	(74,427)	318,047	162,281
Less: Net income (loss) attributable to noncontrolling interest	(149)	2,006	1,027
Net income (loss) attributable to Cal-Maine Foods, Inc.	$ (74,278)	$ 316,041	$ 161,254
Net income (loss) per share:
Basic (in dollars per share)	$ (1.54)	$ 6.56	$ 3.35
Diluted (in dollars per share)	$ (1.54)	$ 6.53	$ 3.33
Weighted average shares outstanding:
Basic (in shares)	48,362	48,195	48,136
Diluted (in shares)	48,362	48,365	48,437