Lease Termination and Impairment Charges (Details) - USD ($) $ in Thousands	3 Months Ended
May 28, 2016	May 30, 2015
Lease termination and impairment charges
Lease termination and impairment charges	$ 5,781	$ 5,022
Impairment charges
Lease termination and impairment charges
Lease termination and impairment charges	619	273
Lease termination charges
Lease termination and impairment charges
Lease termination and impairment charges	5,162	4,749
Closed store and distribution center charges
Balance-beginning of period	208,421	241,047
Provision for present value of noncancellable lease payments of closed stores	622	1,546
Changes in assumptions about future sublease income, terminations and changes in interest rates	811	(571)
Interest accretion	3,778	4,303
Cash payments, net of sublease income	(14,642)	(15,522)
Balance-end of period	$ 198,990	$ 230,803

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 of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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