Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 02, 2019	Mar. 03, 2018	Mar. 02, 2019	Mar. 03, 2018
Statement of Comprehensive Income [Abstract]
Net income, including noncontrolling interests	$ 39,865	$ 96,358	$ 74,614	$ 54,100
Other comprehensive income (loss), before tax:
Unrealized holding gain (loss) on available-for-sale securities, net of reclassification adjustments	1,217	(547)	967	(1,004)
Income tax benefit (expense) related to items of other comprehensive loss	(296)	155	(235)	340
Other comprehensive income (loss), net of tax	921	(392)	732	(664)
Comprehensive income	40,786	95,966	75,346	53,436
Less: comprehensive income (loss) attributable to the noncontrolling interest	88	64	625	(65)
Comprehensive income attributable to Cal-Maine Foods, Inc.	$ 40,698	$ 95,902	$ 74,721	$ 53,501