Lease Termination and Impairment Charges - Fair value (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Nov. 30, 2019	Dec. 01, 2018	Nov. 30, 2019	Dec. 01, 2018
Non Financial Assets Measured on a Non Recurring Basis
Long-lived assets held and used, impairment charges	$ (121)	$ (727)	$ (1,533)	$ (34,572)
Nonrecurring basis
Non Financial Assets Measured on a Non Recurring Basis
Carrying value of long-lived assets	1,533	41,755	1,533	41,755
Long-lived assets held and used, impairment charges			(1,533)	(34,290)
Long-lived assets held for sale, impairment charges				(282)
Total Charges	(121)	(727)	(1,533)	(34,572)
Fair value of Long-lived assets held for use		5,891		5,891
Fair value of Long-lived assets held for sale		1,292		1,292
Fair value of Total		7,183		7,183
Nonrecurring basis \| Fair Value
Non Financial Assets Measured on a Non Recurring Basis
Fair value of Total	$ 0	7,183	$ 0	7,183
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		5,891		5,891
Fair value of Total		$ 5,891		$ 5,891

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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