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Basic And Diluted Earnings Per Share
 3 Months Ended
Jul. 31, 2011
Basic And Diluted Earnings Per Share  
Basic And Diluted Earnings Per Share

2. Basic and Diluted Earnings Per Share

Basic earnings per common share was computed by dividing net earnings attributable to common stockholders by the weighted-average number of common shares outstanding. Diluted earnings per common share reflects the potential dilution that would occur if all in-the-money outstanding options or other contracts to issue common stock were exercised or converted and was computed by dividing net earnings attributable to common stockholders by the weighted-average number of common shares outstanding plus dilutive common equivalent shares. During the three months ended July 31, 2011 and 2010, SARs and options to purchase 0.1 million shares and 1.1 million shares, respectively, were outstanding but not included in the computation of diluted earnings per share because they were anti-dilutive.

The following table summarizes basic and diluted earnings per share calculations:

 

     Three Months Ended
July 31,		  
     2011      2010  
     (in thousands, except per share data)  

Net earnings attributable to common stockholders:

    $ 15,411       $ 10,904   
  

 

 

     

 

 

  

Weighted-average common shares outstanding:

      

Basic weighted-average number of common shares outstanding

      45,969         44,642   

Effect of dilutive securities:

      

Restricted stock

      844         780   

Stock options

      483         326   

ESPP

      3         7   
  

 

 

     

 

 

  

Diluted weighted-average number of common shares outstanding

      47,299         45,755   
  

 

 

     

 

 

  

Net earnings per common share:

      

Basic earnings per share

    $ 0.34       $ 0.24   
  

 

 

     

 

 

  

Diluted earnings per share

    $ 0.33       $ 0.24