Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 02, 2018	Jun. 03, 2017	May 28, 2016
Income Statement [Abstract]
Net sales	$ 1,502,932	$ 1,074,513	$ 1,908,650
Cost of sales	1,141,886	1,028,963	1,260,576
Gross profit	361,046	45,550	648,074
Selling, general and administrative	177,148	173,980	177,760
Legal settlement expense - See Note 12	80,750	0	0
(Gain) loss on disposal of fixed assets	473	3,664	(1,563)
Operating income (loss)	102,675	(132,094)	471,877
Other income (expense):
Interest expense	(265)	(318)	(1,156)
Interest income	3,697	3,103	4,314
Patronage dividends	8,286	7,665	6,930
Equity in income of affiliates	3,517	1,390	5,016
Other, net	(573)	5,960	268
Total other income	14,662	17,800	15,372
Income (loss) before income taxes and noncontrolling interest	117,337	(114,294)	487,249
Income tax expense (benefit)	(8,859)	(39,867)	169,202
Net income (loss) including noncontrolling interest	126,196	(74,427)	318,047
Less: Net income (loss) attributable to noncontrolling interest	264	(149)	2,006
Net income (loss) attributable to Cal-Maine Foods, Inc.	$ 125,932	$ (74,278)	$ 316,041
Net income (loss) per share:
Basic (in dollars per share)	$ 2.60	$ (1.54)	$ 6.56
Diluted (in dollars per share)	$ 2.60	$ (1.54)	$ 6.53
Weighted average shares outstanding:
Basic (in shares)	48,353	48,362	48,195
Diluted (in shares)	48,468	48,362	48,365