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Earnings Per Share
9 Months Ended
Sep. 30, 2012
Earnings Per Share [Abstract]  
Earnings Per Share
Note 6 – Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share:

   
Three Months Ended
  
Nine Months Ended
 
   
September 30
  
September 30
 
(in thousands except per share data)
 
2012
  
2011
  
2012
  
2011
 
Numerator:
            
Net income
 $10,209  $10,665  $34,310  $28,939 
                  
Denominator:
                
Basic earnings per share:
                
Weighted average shares
  15,491   15,318   15,450   15,307 
Diluted earnings per share:
                
Effect of dilutive stock options
  64   21   51   24 
Adjusted weighted average shares
  15,555   15,339   15,501   15,331 
                  
Earnings per share:
                
Basic earnings per share
 $0.66  $0.70  $2.22  $1.89 
Diluted earnings per share
  0.66   0.70   2.21   1.89 
 
Options to purchase 89,746 common shares were excluded from the diluted calculations above for both the three and nine months ended September 30, 2012, because the exercise prices on the options were greater than the average market price for the period. Unvested restricted stock grants were also used in the calculation of diluted earnings per share based on the treasury method. Options to purchase 356,205 and 323,755 common shares, respectively, were excluded from the diluted calculations above for the three and nine months ended September 30, 2011.