Accrued Dividends Payable And Dividends Per Common Share (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Aug. 30, 2014	Aug. 31, 2013	Jun. 01, 2013
Accrued Dividends Payable And Dividends Per Common Share [Abstract]
Percentage of net income used to compute accrued dividends	33.33%
Number of days after first, second and third quarter dividends paid	60 days
Number of days after fourth quarter dividends paid	70 days
Number of days dividends paid following record date	15 days
Net income attributable to Cal-Maine Foods, Inc.	$ 27,655	$ 8,756	$ (3,833)