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Earnings Per Share
6 Months Ended
May 31, 2011
Earnings Per Share [Abstract]  
Earnings Per Share
Note 2: Earnings Per Share
We compute basic earnings per share using the weighted average number of common shares outstanding. We compute diluted earnings per share using the weighted average number of common shares outstanding plus the effect of outstanding dilutive stock options and restricted stock units, using the treasury stock method, and outstanding deferred stock units. The following table provides the calculation of basic and diluted earnings per share on an interim basis:
                                 
(In thousands, except per share data)  
    Three Months Ended May 31,     Six Months Ended May 31,  
    2011     2010     2011     2010  
 
Net income
  $ 17,960     $ 19,058     $ 38,481     $ 18,052  
 
Weighted average shares outstanding
    66,897       63,805       66,942       62,712  
Dilutive impact from common stock equivalents
    2,349       2,550       2,511       2,479  
 
Diluted weighted average shares outstanding
    69,246       66,355       69,453       65,191  
 
Earnings per share:
                               
Basic
  $ 0.27     $ 0.30     $ 0.57     $ 0.29  
Diluted
  $ 0.26     $ 0.29     $ 0.55     $ 0.28  
 
We excluded stock awards representing approximately 768,000 shares and 2,968,000 shares of common stock from the calculation of diluted earnings per share in the second quarter of fiscal years 2011 and 2010, respectively, because these awards were anti-dilutive. We excluded stock awards representing approximately 529,000 shares and 4,123,000 shares of common stock from the calculation of diluted earnings per share in the first six months of fiscal years 2011 and 2010, respectively, because these awards were anti-dilutive.