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Income Taxes Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
9 Months Ended
Nov. 30, 2019
Feb. 28, 2019
Income Tax Contingency [Line Items]    
Unrecognized Tax Benefits $ 2,351 $ 0
Unrecognized Tax Benefits, Period Increase (Decrease) 3,899  
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations $ (1,548)