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Fair Value (Details) - Recurring - Significant Other Observable Market Inputs (Level 2) - USD ($)
$ in Thousands
Feb. 28, 2019
Feb. 28, 2018
Assets:    
Total assets $ 3,119 $ 4,230
Liabilities:    
Total liabilities 321,686 292,475
Floating rate debt    
Liabilities:    
Floating rate debt 320,784 289,869
Interest rate swaps    
Assets:    
Derivative assets 512 2,481
Liabilities:    
Derivative liabilities   339
Foreign currency contracts    
Assets:    
Derivative assets 1,692 642
Liabilities:    
Derivative liabilities 563 2,606
Money market accounts    
Assets:    
Money market accounts $ 915 $ 1,107