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Impairment of Long-Lived Assets (Details) - USD ($)
3 Months Ended 9 Months Ended
Nov. 30, 2019
Dec. 01, 2018
Nov. 30, 2019
Dec. 01, 2018
Goodwill and Intangible Assets Disclosure [Abstract]        
Impairment charge $ 11,800,000 $ 0 $ 40,100,000 $ 0