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Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2016
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,		  
     2016      2015      2016      2015  
     (shares in thousands)      (shares in thousands)  

Net income

    $ 3,651       $ 24,172       $ 15,723       $ 36,234   
  

 

 

     

 

 

     

 

 

     

 

 

  

Shares of common stock and common stock equivalents:

            

Weighted averages shares used in basic computation

      136,503         135,895         137,051         134,990   

Dilutive effect of common stock equivalents

      771         2,056         798         2,630   
  

 

 

     

 

 

     

 

 

     

 

 

  

Weighted averages shares used in dilutive computation

      137,274         137,951         137,849         137,620   
  

 

 

     

 

 

     

 

 

     

 

 

  

Basic earnings per share

    $ 0.03       $ 0.18       $ 0.11       $ 0.27   

Dilutive earnings per share

    $ 0.03       $ 0.18       $ 0.11       $ 0.26