Financial Statement Impact Of Fires (Narrative) (Details) (USD $)	3 Months Ended
	Aug. 30, 2014	Nov. 30, 2013 Florida [Member] property	Aug. 30, 2014 Shady Dale Georgia [Member]	Mar. 01, 2014 Shady Dale Georgia [Member] property	Aug. 30, 2014 Shady Dale Georgia [Member] Cost Of Sales [Member]	Aug. 30, 2014 Shady Dale Georgia [Member] Other Income (Expense) [Member]
Property, Plant and Equipment [Line Items]
Number of pullet houses destroyed		2		2
Insurance claims receivable	$ 599,000			$ 2,000,000
Deductibles and coinsurance				720,000
Business interruption gains					60,000
Gain on property damage insurance claim						886,000
Reimbursement of inventory written off			1,000,000
Proceeds from insurance settlement	$ 1,400,000