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Realignment (Details) - USD ($)
$ in Thousands
6 Months Ended
Aug. 31, 2016
Aug. 31, 2015
Feb. 29, 2016
Restructuring Cost and Reserve [Line Items]      
Restructuring Charges $ (6,706) $ (464)  
Restructuring Reserve 1,283   $ 61
Restructuring Reserve, Accrual Adjustment (38)    
Restructuring Reserve, Period Increase (Decrease) 1,260    
Restructuring Charges [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring Charges 6,700    
Severance Costs $ 1,300