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Earnings per Share (Details) - shares
shares in Thousands
3 Months Ended
May 31, 2018
May 31, 2017
Weighted average diluted securities    
Weighted average shares outstanding, basic 26,521 27,076
Incremental shares from share-based payment arrangements 93 169
Weighted average shares outstanding, diluted 26,614 27,245
Employee stock options    
Weighted average diluted securities    
Dilutive securities (in shares) 138 253
Restricted stock (RSA)    
Weighted average diluted securities    
Dilutive securities (in shares)   79