XML 67 R52.htm IDEA: XBRL DOCUMENT v3.8.0.1
Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2017
Earnings Per Share [Abstract]  
Computation of Basic and Diluted Earnings per Share
The following table sets forth the computation of basic and diluted earnings per share:

Year Ended December 31
(in thousands except per share data)
 
2017
  
2016
  
2015
 
Numerator:
         
Net income
 
$
51,493
  
$
47,346
  
$
46,432
 
             
Denominator:
            
Basic earnings per share:
            
Weighted average shares
  
17,631
   
17,548
   
17,431
 
Diluted earnings per share:
            
Dilutive effect of equity grants
  
22
   
18
   
52
 
Adjusted weighted average shares
  
17,653
   
17,566
   
17,483
 
             
Earnings per share:
            
Basic earnings per share
 
$
2.92
  
$
2.70
  
$
2.66
 
Diluted earnings per share
  
2.92
   
2.70
   
2.66