Consolidated Statements Of Stockholders' Deficit And Comprehensive Loss (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Accumulated Deficit [Member]	Total
Balance at Feb. 27, 2010 (Previously Reported [Member])	$ 55,868	$ 526,421	$ (79,403)	$ (1,032,089)	$ (529,203)
Balance (Retrospective Change In Accounting Principle For Inventory Valuation [Member])				9,285	9,285
Balance at Feb. 27, 2010	55,868	526,421	(79,403)	(1,022,804)	(519,918)
Balance, shares at Feb. 27, 2010 (Previously Reported [Member])	55,868,129
Balance, shares at Feb. 27, 2010	55,868,129
Net loss				(473,548)	(473,548)
Beneficial conversion feature accretion on preferred stock		(3,703)			(3,703)
Dividends on preferred stock		(10,631)			(10,631)
Preferred stock financing fees amortization		(1,338)			(1,338)
Stock options exercised, value	5	23			28
Stock options exercised, shares	4,834
Other share based awards	407	541			948
Other share based awards, shares	407,451
Other comprehensive income (loss)			543		543
Balance at Dec. 04, 2010	56,280	511,313	(78,860)	(1,496,352)	(1,007,619)
Balance, shares at Dec. 04, 2010	56,280,414
Balance at Feb. 26, 2011 (Previously Reported [Member])	53,852	511,157	(75,309)	(1,630,664)	(1,140,964)
Balance (Retrospective Change In Accounting Principle For Inventory Valuation [Member])				11,329	11,329
Balance at Feb. 26, 2011	53,852	511,157	(75,309)	(1,619,335)	(1,129,635)
Balance, shares at Feb. 26, 2011 (Previously Reported [Member])	53,852,470
Balance, shares at Feb. 26, 2011	53,852,470
Net loss				(379,450)	(379,450)
Beneficial conversion feature accretion on preferred stock		(3,703)			(3,703)
Preferred stock financing fees amortization		(1,338)			(1,338)
Other share based awards		2,925			2,925
Other share based awards, shares
Other comprehensive income (loss)			(513)		(513)
Balance at Dec. 03, 2011	$ 53,852	$ 509,041	$ (75,822)	$ (1,998,785)	$ (1,511,714)
Balance, shares at Dec. 03, 2011	53,852,470