Lease Termination and Impairment Charges - Fair value (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Aug. 31, 2019	Sep. 01, 2018	Aug. 31, 2019	Sep. 01, 2018
Non Financial Assets Measured on a Non Recurring Basis
Long-lived assets held and used, impairment charges	$ (1,289)	$ (33,562)	$ (1,412)	$ (33,845)
Nonrecurring basis
Non Financial Assets Measured on a Non Recurring Basis
Carrying value of long-lived assets	1,412	40,488	1,412	40,488
Long-lived assets held and used, impairment charges			(1,412)	(33,562)
Long-lived assets held for sale, impairment charges				(283)
Total Charges	(1,289)	(33,562)	(1,412)	(33,845)
Fair value of Long-lived assets held for use		6,643		6,643
Fair value of Long-lived assets held for sale		1,292		1,292
Fair value of Total		7,935		7,935
Nonrecurring basis \| Fair Value
Non Financial Assets Measured on a Non Recurring Basis
Fair value of Total	$ 0	6,643	$ 0	6,643
Nonrecurring basis \| Level 2
Non Financial Assets Measured on a Non Recurring Basis
Fair value of Long-lived assets held for sale		1,292		1,292
Fair value of Total		1,292		1,292
Nonrecurring basis \| Level 3
Non Financial Assets Measured on a Non Recurring Basis
Fair value of Long-lived assets held for use		6,643		6,643
Fair value of Total		$ 6,643		$ 6,643

Long-lived assets that are held for use in normal operations and not anticipated to be sold in less than one year.

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Fair value portion of assets classified as held for sale.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

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