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Earnings Per Share (Tables)
6 Months Ended
Nov. 30, 2015
Earnings Per Share [Abstract]  
Reconciliation of Basic to Diluted Weighted-Average Shares Outstanding
The following table reconciles basic to diluted weighted-average shares outstanding for the three and six months ended November 30, 2015 and 2014 (in thousands):
 
 
Three Months Ended
 
Six Months Ended
 
Nov 30, 2015
 
Nov 30, 2014
 
Nov 30, 2015
 
Nov 30, 2014
Basic
36,140

 
35,595

 
36,051

 
35,475

Effect of dilutive securities

 
532

 

 
537

Diluted
36,140

 
36,127

 
36,051

 
36,012

 
 
 
 
 
 
 
 
Securities excluded as their inclusion would be anti-dilutive
3,161

 
911

 
3,161

 
2,306