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Earnings per Share (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Nov. 30, 2015
Nov. 30, 2014
Nov. 30, 2015
Nov. 30, 2014
Weighted average diluted securities        
Weighted average shares outstanding, basic 28,129 28,414 28,361 28,630
Incremental shares from share-based payment arrangements 505 410 542 440
Weighted average shares outstanding, diluted 28,634 28,824 28,903 29,070
Employee and Directors stock options        
Weighted average diluted securities        
Dilutive securities (in shares) 505 643 553 686
Restricted stock (RSA)        
Weighted average diluted securities        
Dilutive securities (in shares) 269 278 292 267