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Earnings Per Share
6 Months Ended
Jun. 30, 2012
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
   
Six Months Ended
       
   
June 30, 2012
   
June 30, 2011
   
June 30, 2012
   
June 30, 2011
 
Numerator:
                       
     Income (loss)
  $ 6,455     $ 13,432     $ 4,754     $ 24,497  
Denominator:
                               
     Denominator for basic earnings per share -
                               
          Weighted-average shares
    16,309       15,945       16,271       15,919  
     Effect of dilutive stock options
    555       733       572       685  
     Denominator for diluted earnings per share - Adjusted
                               
          weighted-average shares and assumed conversions
    16,864       16,678       16,843       16,604  
                                 
Basic income (loss) per share:
  $ 0.40     $ 0.84     $ 0.29     $ 1.54  
Diluted income (loss) per share:
    0.38       0.81       0.28       1.48  
                                 
 
Certain potential ordinary shares were excluded from the calculation of diluted weighted-average shares outstanding because they would have an anti-dilutive effect on net income per share (see table below).

   
Three Months Ended
 
   
June 30, 2012
   
June 30, 2011
 
Anti-dilutive shares excluded
    932,104       722,903