Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	May 31, 2014	Jun. 01, 2013	Jun. 02, 2012
Consolidated Statements Of Comprehensive Income [Abstract]
Net income including noncontrolling interests	$ 109,807	$ 50,761	$ 89,967
Other comprehensive income, before tax:
Unrealized holding gain on available-for-sale securities, net of reclassification adjustments	392	724	157
(Increase) decrease in accumulated postretirement benefits obligation, net of reclassification adjustments	255	(89)
Other comprehensive income, before tax	647	635	157
Income tax expense related to items of other comprehensive income (loss)	252	247	59
Other comprehensive income, net of tax	395	388	98
Comprehensive income	110,202	51,149	90,065
Less: comprehensive income attributable to the noncontrolling interest	600	338	232
Comprehensive income attributable to Cal-Maine Foods, Inc.	$ 109,602	$ 50,811	$ 89,833