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Fair Value Measurements and Derivatives - Fair Value, by Balance Sheet Grouping (Details) - USD ($)
$ in Thousands
Nov. 30, 2019
Feb. 28, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Prepaid expenses and other current assets $ 10,623 $ 10,449
Derivative Assets and Liabilities (200) 88
Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Prepaid expenses and other current assets 144 172
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Other Liabilities $ (344) $ (84)