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Earnings Per Common Share (Tables)
3 Months Ended
Mar. 31, 2014
Schedule of Earnings Per Share Basic and Diluted
     Three Months Ended  
     March 31,  
     2014      2013  

Numerator—basic and diluted

     

Net income

   $ 18,117       $ 23,680   
  

 

 

    

 

 

 

Denominator

     

Weighted average number of common shares outstanding—basic

     39,438         39,403   

Effect of dilutive stock options

     356         595   

Effect of dilutive restricted shares

     663         622   
  

 

 

    

 

 

 

Weighted average number of common shares outstanding—diluted

     40,457         40,620   
  

 

 

    

 

 

 

Earnings per common share—basic

   $ 0.46       $ 0.60   
  

 

 

    

 

 

 

Earnings per common share—diluted

   $ 0.45       $ 0.58   
  

 

 

    

 

 

 

Antidilutive stock options and restricted shares

     3,177         3,486