CONSOLIDATED STATEMENTS OF STOCKHOLDERS' DEFICIT (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Comprehensive Loss	Preferred Stock-Series G	Preferred Stock-Series H
BALANCE at Feb. 28, 2009	$ (1,199,652)	$ 886,113	$ 4,265,211	$ (6,452,696)	$ (41,779)		$ 1	$ 143,498
BALANCE (in shares) at Feb. 28, 2009		886,113						1,435
Increase (Decrease) in Stockholders' Equity
Net loss	(506,676)			(506,676)		(506,676)
Other comprehensive income:
Changes in Defined Benefit Plans	10,459				10,459	10,459
Comprehensive loss	(496,217)					(496,217)
Exchange of restricted shares for taxes	(1,541)	(1,198)	(343)
Exchange of restricted shares for taxes (in shares)		(1,198)
Issuance of restricted stock		3,289	(3,289)
Issuance of restricted stock (in shares)		3,289
Cancellation of restricted stock		(642)	642
Cancellation of restricted stock (in shares)		(642)
Amortization of restricted stock balance	11,772		11,772
Stock-based compensation expense	12,022		12,022
Stock options exercised	66	74	(8)
Stock options exercised (in shares)		74
Dividends on preferred stock	(1)		(8,807)					8,806
Dividends on preferred stock (in shares)								88
BALANCE at Feb. 27, 2010	(1,673,551)	887,636	4,277,200	(6,959,372)	(31,320)		1	152,304
BALANCE (in shares) at Feb. 27, 2010		887,636						1,523
Increase (Decrease) in Stockholders' Equity
Net loss	(555,424)			(555,424)		(555,424)
Other comprehensive income:
Changes in Defined Benefit Plans	1,178				1,178	1,178
Comprehensive loss	(554,246)					(554,246)
Exchange of restricted shares for taxes	(1,132)	(1,103)	(29)
Exchange of restricted shares for taxes (in shares)		(1,103)
Issuance of restricted stock		3,905	(3,905)
Issuance of restricted stock (in shares)		3,905
Cancellation of restricted stock		(385)	385
Cancellation of restricted stock (in shares)		(385)
Amortization of restricted stock balance	6,053		6,053
Stock-based compensation expense	11,283		11,283
Stock options exercised	226	244	(18)
Stock options exercised (in shares)		244
Dividends on preferred stock			(9,346)					9,346
Dividends on preferred stock (in shares)								93
BALANCE at Feb. 26, 2011	(2,211,367)	890,297	4,281,623	(7,514,796)	(30,142)		1	161,650
BALANCE (in shares) at Feb. 26, 2011		890,297						1,616
Increase (Decrease) in Stockholders' Equity
Net loss	(368,571)			(368,571)		(368,571)
Other comprehensive income:
Changes in Defined Benefit Plans	(22,492)				(22,492)	(22,492)
Comprehensive loss	(391,063)					(391,063)
Exchange of restricted shares for taxes	(1,102)	(970)	(132)
Exchange of restricted shares for taxes (in shares)		(970)
Issuance of restricted stock		9,195	(9,195)
Issuance of restricted stock (in shares)		9,195
Cancellation of restricted stock		(731)	731
Cancellation of restricted stock (in shares)		(731)
Amortization of restricted stock balance	5,406		5,406
Stock-based compensation expense	10,456		10,456
Stock options exercised	914	896	18
Stock options exercised (in shares)		896
Dividends on preferred stock			(9,919)					9,919
Dividends on preferred stock (in shares)								99
BALANCE at Mar. 03, 2012	$ (2,586,756)	$ 898,687	$ 4,278,988	$ (7,883,367)	$ (52,634)		$ 1	$ 171,569
BALANCE (in shares) at Mar. 03, 2012		898,687						1,715