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Assets Held for Sale - (Loss) Income before Income Tax (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 29, 2020
Feb. 28, 2019
Feb. 28, 2018
Property, Plant and Equipment Assets Held-for-sale Disclosure [Abstract]      
Income (loss) before income taxes $ (29,760) $ 23,190 $ 1,713
Impairment charge on held-for-sale assets $ 41,000 $ 0 $ 15,400