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Note 4 - Earnings Per Share
 3 Months Ended
Mar. 31, 2013
Earnings Per Share [Text Block]
4 – Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share (in thousands, except per share amounts):

   
Three Months Ended
 
   
March 31, 2013
   
March 31, 2012
 
Numerator -
           
Numerator for basic and diluted earnings per share-
           
Net income available to common shareholders
  $ 13,547     $ 15,906  
                 
Denominator-
               
Denominator for basic earnings per share, weighted average shares outstanding
    39,119       38,387  
Effect of dilutive securities-
               
Employee and Director stock options and restricted share awards
    1,150       1,220  
Denominator for diluted earnings per share, adjusted weighted average shares and assumed conversions
    40,269       39,607  
                 
Basic earnings per common share
  $ .35     $ .41  
Diluted earnings per common share and common share equivalents
  $ .34     $ .40  

Options to purchase shares of common stock that were outstanding for the three months ended March 31, 2013 and 2012 that were not included in the computation of diluted earnings per share because the effect would have been anti-dilutive are as follows (in thousands):

   
March 31, 2013
   
March 31, 2012
 
Options
    1,107       1,114  
Total anti-dilutive securities
    1,107       1,114