XML 46 R31.htm IDEA: XBRL DOCUMENT v3.8.0.1
Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2017
Earnings Per Share [Abstract]  
Summary of Weighted Average Number of Common Shares Outstanding

 The table below reflects the calculation of the weighted average number of common shares outstanding, on an as if converted basis, used in computing basic and diluted earnings per common share.

 

     Year Ended December 31,  
     2017      2016      2015  

Denominator:

        

Basic weighted average shares outstanding

     47,140        46,083        45,975  

Effect of dilutive stock options and restricted stock

     1,095        1,038        1,306  
  

 

 

    

 

 

    

 

 

 

Diluted weighted average shares outstanding

     48,235        47,121        47,281