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Earnings Per Share
9 Months Ended
Sep. 30, 2011
Earnings Per Share
Note 7 - Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share, for the periods indicated:

(In thousands, except per share amounts)
 
Three Months Ended
   
Nine Months Ended
 
   
September
30, 2011
   
September
30, 2010
   
September
30, 2011
   
September
30, 2010
 
Numerator:
                       
     Net income
  $ 14,356     $ 8,856     $ 35,919     $ 24,023  
Denominator:
                               
     Denominator for basic earnings per share -
          Weighted-average shares
    16,106       15,816       15,981       15,790  
     Effect of dilutive stock options
    828       191       733       173  
     Denominator for diluted earnings per share - Adjusted
                               
          weighted-average shares and assumed conversions
    16,934       16,007       16,714       15,963  
                                 
Basic net income per share:
  $ 0.89     $ 0.56     $ 2.25     $ 1.52  
Diluted net income per share:
    0.85       0.55       2.15       1.50