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Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2015
Earnings Per Share [Abstract]  
Reconciliation of Basic and Diluted Earnings Per Share

The following is a reconciliation of the basic and diluted earnings per share computation:

 

     Three Months Ended
June 30,		      Six Months Ended
June 30,		  
     2015      2014      2015      2014  
     (shares in thousands)      (shares in thousands)  

Net income

    $ 24,172       $ 10,602       $ 36,234       $ 40,806   
  

 

 

     

 

 

     

 

 

     

 

 

  

Shares of common stock and common stock equivalents:

            

Weighted averages shares used in basic computation

      135,895         131,533         134,990         131,235   

Dilutive effect of stock options and unvested restricted stock

      2,056         6,725         2,630         7,266   
  

 

 

     

 

 

     

 

 

     

 

 

  

Weighted averages shares used in dilutive computation

      137,951         138,258         137,620         138,501   
  

 

 

     

 

 

     

 

 

     

 

 

  

Basic earnings per share

    $ 0.18       $ 0.08       $ 0.27       $ 0.31   

Dilutive earnings per share

    $ 0.18       $ 0.08       $ 0.26       $ 0.29