Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
Jun. 02, 2018	Jun. 03, 2017	May 28, 2016
Statement of Comprehensive Income [Abstract]
Net income (loss), including noncontrolling interests	$ 126,196	$ (74,427)	$ 318,047
Other comprehensive income (loss), before tax:
Unrealized holding gain (loss) on available-for-sale securities, net of reclassification adjustments	(1,151)	177	(25)
(Increase) decrease in accumulated postretirement benefits obligation, net of reclassification adjustments	249	(334)	(118)
Other comprehensive loss, before tax	(902)	(157)	(143)
Income tax benefit related to items of other comprehensive income	(370)	(77)	(73)
Other comprehensive loss, net of tax	(532)	(80)	(70)
Comprehensive income (loss)	125,664	(74,507)	317,977
Less: comprehensive income (loss) attributable to the noncontrolling interest	264	(149)	2,006
Comprehensive income (loss) attributable to Cal-Maine Foods, Inc.	$ 125,400	$ (74,358)	$ 315,971

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 after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. 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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Amount before tax, after reclassification adjustments of other comprehensive income (loss).

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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