Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Feb. 26, 2022	Feb. 27, 2021	Feb. 26, 2022	Feb. 27, 2021
Condensed Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 39,454	$ 13,548	$ 22,573	$ 6,304
Other comprehensive income (loss), before tax:
Unrealized holding loss on available-for-sale securities, net of reclassification adjustments	(551)	(378)	(1,130)	(283)
Income tax benefit related to items of other comprehensive income	134	92	275	69
Other comprehensive loss, net of tax	(417)	(286)	(855)	(214)
Comprehensive income	39,037	13,262	21,718	6,090
Less: Comprehensive loss attributable to the noncontrolling interest	(63)	0	(91)	0
Comprehensive income attributable to Cal-Maine Foods, Inc.	$ 39,100	$ 13,262	$ 21,809	$ 6,090