Income Taxes (Components of Income Tax (Benefit) Provision) (Details) (USD $)	12 Months Ended
	Aug. 25, 2012	Aug. 27, 2011	Aug. 28, 2010
Current
Federal	$ 468,000	$ 588,000	$ (7,694,000)
State	(584,000)	(564,000)	(3,255,000)
Total current tax provsion (benefit)	(116,000)	24,000	(10,949,000)
Deferred
Federal	(33,218,000)	62,000	1,260,000
State	(1,531,000)	8,000	184,000
Total deferred tax (benefit) provision	(34,749,000)	70,000	1,444,000
Total tax (benefit) provision	(34,865,000)	94,000	(9,505,000)
Federal tax expense (benefit), portion related to carryback losses			$ 5,800,000