Quarterly Financial Data (Details) (USD $)	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
Quarterly Financial Data [Abstract]
Net sales	$ 371,582,000	$ 395,522,000	$ 354,275,000	$ 319,528,000	$ 325,933,000	[1]	$ 360,373,000	$ 328,870,000	$ 272,928,000	$ 1,440,907,000	$ 1,288,104,000	$ 1,113,116,000
Gross profit	91,291,000	91,895,000	74,667,000	44,911,000	51,489,000	[1]	67,047,000	51,298,000	44,715,000	302,764,000	214,549,000	201,782,000
Net income (loss) attributable to Cal-Maine Foods, Inc.	31,492,000	42,853,000	26,106,000	8,756,000	(3,833,000)	[1]	30,551,000	14,290,000	9,415,000	109,207,000	50,423,000	89,735,000
Net income (loss) per share:
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
Distribution from cost method investment					$ 17,000,000
Distribution from cost method investment, per basic share after tax					$ 0.71

[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).