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Earnings (Loss) Per Common Share (Tables)
 12 Months Ended
Dec. 31, 2013
Schedule of Earnings Per Share Basic and Diluted
     Year Ended December 31,  
     2013     2012     2011  

Numerator — basic and diluted

       

Net income (loss)

    $ (10,594 )    $ (36,986 )    $ 103,903   
  

 

 

    

 

 

    

 

 

  

Denominator

       

Weighted average number of common shares outstanding — basic

      39,188        40,316        41,131   

Effect of dilutive stock options

      —          —          915   

Effect of dilutive convertible notes

      —          —          836   

Effect of dilutive restricted shares

      —          —          591   
  

 

 

    

 

 

    

 

 

  

Weighted average number of common shares outstanding — diluted

      39,188        40,316        43,473   
  

 

 

    

 

 

    

 

 

  

Earnings (loss) per common share — basic

    $ (0.27 )    $ (0.92 )    $ 2.53   
  

 

 

    

 

 

    

 

 

  

Earnings (loss) per common share — diluted

    $ (0.27 )    $ (0.92 )    $ 2.39   
  

 

 

    

 

 

    

 

 

  

Antidilutive stock options and restricted shares

      4,363        4,943        2,119