Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Nov. 26, 2016	Nov. 28, 2015	Nov. 26, 2016	Nov. 28, 2015
Statement of Comprehensive Income [Abstract]
Net income (loss), including noncontrolling interests	$ (22,967)	$ 109,910	$ (53,947)	$ 254,000
Other comprehensive loss, before tax:
Unrealized holding loss on available-for-sale securities, net of reclassification adjustments	(536)	(158)	(34)	(458)
Income tax benefit related to items of other comprehensive income	204	60	13	180
Other comprehensive loss, net of tax	(332)	(98)	(21)	(278)
Comprehensive income (loss)	(23,299)	109,812	(53,968)	253,722
Less: comprehensive income (loss) attributable to the noncontrolling interest	43	680	(1)	1,747
Comprehensive income (loss) attributable to Cal-Maine Foods, Inc.	$ (23,342)	$ 109,132	$ (53,967)	$ 251,975

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount before tax, after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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