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Net Income Per Common Share
9 Months Ended
Mar. 31, 2012
Net Income Per Common Share
(4)  Net Income Per Common Share
 
Basic income per common share is based on the weighted average number of common shares outstanding during the period.  Diluted income per common share includes the dilutive effect of potential common shares outstanding.  The following table sets forth the reconciliation of weighted average shares outstanding and diluted weighted average shares outstanding:
 
   
Nine months ended
March 31,
   
Three months ended
March 31,
 
   
2012
   
2011
   
2012
   
2011
 
                         
Weighted average shares outstanding
    26,558       25,718       26,634       26,468  
Dilutive effect of stock options and restricted stock awards and units
     189        200       236       195  
 
Diluted weighted average shares outstanding
    26,747       25,918       26,870       26,663  
 
There were 1,571 and 1,450 common equivalent shares outstanding as of March 31, 2012 and 2011, respectively, that were not included in the calculation of diluted income per common share for the nine months ended March 31, 2012 and 2011, respectively, because their effect would have been anti-dilutive. There were 1,250 and 1,206 common equivalent shares outstanding as of March 31, 2012 and 2011, respectively, that were not included in the calculation of diluted income per common share for the three months ended March 31, 2012 and 2011, respectively, because their effect would have been anti-dilutive.