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Other (Expense) Income, Net - Components of Other (Expense) Income, Net (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 28, 2019
Feb. 28, 2018
Feb. 28, 2017
Income (loss) from unconsolidated affiliate, including other-than-temporary impairment losses      
Loss from unconsolidated affiliate, including other-than-temporary impairment losses $ 0 $ (15) $ (28)
Other-than-temporary impairment loss on investments 0 0 (254)
Interest income 132 60 38
Other 7 (10) 84
Total other (expense) income, net $ 139 $ 35 $ (160)