Lease Termination and Impairment Charges (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Jun. 01, 2013	Jun. 02, 2012	Mar. 02, 2012
Lease termination and impairment charges
Lease termination and impairment charges	$ 10,972	$ 12,143
Impairment charges
Lease termination and impairment charges
Lease termination and impairment charges	4,601	495
Lease termination charges
Lease termination and impairment charges
Lease termination and impairment charges	6,371	11,648
Closed store and distribution center charges
Balance-beginning of period	323,758		367,864
Provision for present value of noncancellable lease payments of closed stores	393	3,574
Changes in assumptions about future sublease income, terminations and changes in interest rates	520	2,057
Interest accretion	5,458	6,056
Cash payments, net of sublease income	(18,118)	(20,968)
Balance-end of period	$ 312,011	$ 358,583	$ 367,864

Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations.

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Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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- Definition

Amount of any reversal and other adjustment made during the period to the amount of a previously accrued liability for a specified type of restructuring cost, excluding adjustments for costs incurred during the period, costs settled during the period, and foreign currency translation adjustments.

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- Definition

Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

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