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Fair Value (Details) - Recurring - Fair Values - Significant other observable market inputs (Level 2) - USD ($)
$ in Thousands
May 31, 2019
Feb. 28, 2019
Assets:    
Total assets $ 3,713 $ 3,119
Liabilities:    
Total liabilities 326,183 321,686
Interest rate swap    
Assets:    
Derivative assets 0 512
Liabilities:    
Derivative liabilities 5,027 339
Foreign currency contracts    
Assets:    
Derivative assets 2,644 1,692
Liabilities:    
Derivative liabilities 17 563
Floating rate debt    
Liabilities:    
Floating rate debt 321,139 320,784
Money market accounts    
Assets:    
Money market accounts $ 1,069 $ 915