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Earnings Per Common Share
 6 Months Ended
Nov. 30, 2012
Earnings Per Common Share [Abstract]  
EARNINGS PER COMMON SHARE

NOTE H – EARNINGS PER COMMON SHARE

Basic earnings per share are based on the weighted average number of common shares outstanding without consideration of potential common stock. Diluted earnings per share further includes the dilutive effect of potential common stock consisting of stock options, warrants, and restricted stock units, provided that the inclusion of such securities is not antidilutive.

The following table sets forth the reconciliation of the weighted-average number of common shares (in thousands):

 

                                 
    Three Months Ended     Six Months Ended  
    Nov 30,
2012		     Nov 30,
2011		     Nov 30,
2012		     Nov 30,
2011		  

Basic

     34,827       25,190       34,765       25,107  

Effect of dilutive securities

     484       150       514       171  
   

 

 

    

 

 

    

 

 

    

 

 

  

Diluted

     35,311       25,340       35,279       25,278  
   

 

 

    

 

 

    

 

 

    

 

 

  

Excluded from the calculation of diluted earnings per common share were options and restricted stock awards issued to employees and non-employees to purchase 3.2 million and 3.0 million shares of common stock for the three and six months ended November 30, 2012, respectively, as their inclusion would be antidilutive. For the comparable three and six month period ended November 30, 2011, options and restricted stock awards issued to employees and non-employees to purchase 2.4 million and 2.1 million shares of common stock were also excluded as their inclusion would be antidilutive.