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Earnings Per Share
 12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Earnings Per Share

13. Earnings Per Share

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

 

     Year Ended December 31,  
     2014      2013      2012  
     (In thousands, except per share amounts)  

Net income

    $ 208,712       $ 169,827       $ 119,209   
  

 

 

     

 

 

     

 

 

  

Weighted average basic common shares outstanding

   39,964      40,648      40,332   

Effect of dilutive securities—stock options and awards

   226      217      191   
  

 

 

     

 

 

     

 

 

  

Total shares and dilutive securities

   40,190      40,865      40,523   
  

 

 

     

 

 

     

 

 

  

Basic earnings per common share

 $ 5.22    $ 4.18    $ 2.96   
  

 

 

     

 

 

     

 

 

  

Diluted earnings per common share

 $ 5.19    $ 4.16    $ 2.94