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Earnings per Share (Tables)
12 Months Ended
Dec. 31, 2013
Earnings Per Share [Abstract]  
Schedule of Earnings per Share

Earnings per share is computed as follows (in thousands, except per share data):

 

    Year Ended December 31,  
    2013     2012     2011  
    Net
Income
    Shares     Per
Share
Amount
    Net
Income
    Shares     Per
Share
Amount
    Net
Income
    Shares     Per
Share
Amount
 

Basic earnings per share

  $ 50,478        87,537      $ 0.58      $ 77,444        82,480      $ 0.94      $ 19,113        81,392      $ 0.23   

Effect of dilutive incentive-based awards

      615            1,072            632     
 

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

Diluted earnings per share

  $ 50,478        88,152      $ 0.57      $ 77,444        83,552      $ 0.93      $ 19,113        82,024      $ 0.23