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Earnings Per Share (Tables)
 3 Months Ended
Mar. 31, 2012
Earnings Per Share [Abstract]  
Computation Of Basic And Diluted Earnings Per Share
     Three Months Ended  
     March 31,  
     2012      2011  

Net income - basic earnings per share

    $ 21,582       $ 17,175   

Interest expense on convertible debt

      5         5   
  

 

 

     

 

 

  

Net income after assumed conversion – diluted earnings per share

    $ 21,587       $ 17,180   
  

 

 

     

 

 

  

Basic weighted average common shares outstanding

      138,898,581         120,193,233   

Net effect of dilutive stock options, warrants, restricted stock and convertible debt

      1,488,044         759,740   
  

 

 

     

 

 

  

Diluted weighted average common shares outstanding

      140,386,625         120,952,973   
  

 

 

     

 

 

  

Basic earnings per share

    $ 0.16       $ 0.14   
  

 

 

     

 

 

  

Diluted earnings per share

    $ 0.15       $ 0.14