Consolidated Statements Of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Dec. 03, 2011	Dec. 04, 2010	Dec. 03, 2011	Dec. 04, 2010
Consolidated Statements Of Comprehensive Loss [Abstract]
Net loss	$ (123,566)	$ (198,728)	$ (379,450)	$ (473,548)
Pension and other postretirement benefits (expense), net of tax of $0 and $1,719 for the 12 and 40 weeks ended, December 3, 2011, respectively, and $0 for the 12 and 40 weeks ended December 4, 2010, respectively	362	163	(513)	543
Other comprehensive income (loss), net of tax	362	163	(513)	543
Total comprehensive loss	$ (123,204)	$ (198,565)	$ (379,963)	$ (473,005)

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-URI http://asc.fasb.org/extlink&oid=6508144

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Net Income

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Other Comprehensive Income

-URI http://asc.fasb.org/extlink&oid=6519514

+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-URI http://asc.fasb.org/extlink&oid=6518256

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+ Details

- Definition

The increase (decrease) in accumulated comprehensive income during the period related to pension and other postretirement benefit plans, after tax. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

+ References+ Details

- Definition

This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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+ Details