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