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EARNINGS PER SHARE
 12 Months Ended
Dec. 31, 2013
Earnings Per Share [Abstract]  
EARNINGS PER SHARE

(11) EARNINGS PER SHARE

Basic earnings and diluted earnings per share data were computed as follows:

 

     Years Ended December 31,  
     2013      2012      2011  

Numerator for basic and diluted earnings per share:

         

Net income

    $ 39,101       $ 32,994       $ 27,557   
  

 

 

     

 

 

     

 

 

  

Denominator:

         

Weighted-average basic common shares outstanding

      31,891         30,327         31,267   

Assumed conversion of dilutive securities:

         

Stock options

      2,699         2,589         1,887   
  

 

 

     

 

 

     

 

 

  

Denominator for diluted earnings per share—Adjusted weighted-average shares

      34,590         32,916         33,154   
  

 

 

     

 

 

     

 

 

  

Earnings per common share:

         

Basic

    $ 1.23       $ 1.09       $ 0.88   
  

 

 

     

 

 

     

 

 

  

Diluted

    $ 1.13       $ 1.00       $ 0.83   
  

 

 

     

 

 

     

 

 

  

Stock options representing the right to purchase common stock of 62,000 shares in 2013, 463,000 shares in 2012, and 714,000 shares in 2011 were not included in the computation of diluted earnings per share because their inclusion would have had an anti-dilutive effect.