Significant Accounting Policies (Schedule Of Computations Of Earnings Per Share) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended									12 Months Ended
	May 31, 2014	Mar. 01, 2014	Nov. 30, 2013	Aug. 31, 2013	Jun. 01, 2013		Mar. 02, 2013	Dec. 01, 2012	Sep. 01, 2012	May 31, 2014	Jun. 01, 2013	Jun. 02, 2012
Significant Accounting Policies [Abstract]
Net income (loss) attributable to Cal-Maine Foods, Inc.	$ 31,492	$ 42,853	$ 26,106	$ 8,756	$ (3,833)	[1]	$ 30,551	$ 14,290	$ 9,415	$ 109,207	$ 50,423	$ 89,735
Basic weighted-average common shares										24,047	23,983	23,875
Effect of dilutive sercurities, Common stock option and restricted stock										101	61	67
Dilutive potential common shares										24,148	24,044	23,942
Basic	$ 1.31	$ 1.78	$ 1.09	$ 0.36	$ (0.16)	[1]	$ 1.27	$ 0.60	$ 0.39	$ 4.54	$ 2.10	$ 3.76
Diluted	$ 1.30	$ 1.77	$ 1.08	$ 0.36	$ (0.16)	[1]	$ 1.27	$ 0.60	$ 0.39	$ 4.52	$ 2.10	$ 3.75

[1] Fourth quarter fiscal 2013 results include a legal settlement expense of $17.0 million, or $0.71 per basic share, after tax (see Note 14).