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Earnings per Share
 9 Months Ended
Sep. 30, 2013
Earnings per Share [Abstract]  
Earnings per Share
Note 2.  Earnings per Share
Basic earnings per share are determined by dividing earnings by the weighted average number of common shares outstanding during each period.  Diluted earnings per share include the potential dilutive effects of options, restricted stock units and shares held in the Company's Supplemental Executive Retirement Plan.

The following table sets forth the computation of net income attributable to controlling interest from continuing operations and the number of basic and diluted shares used in the computation of earnings per share (in thousands):

 
 
Three Months
Ended
September 30,
  
Nine Months
Ended
September 30,
 
 
 
2013
  
2012
  
2013
  
2012
 
Numerator:
 
  
  
  
 
Net income from continuing operations
 
$
6,527
  
$
6,633
  
$
30,930
  
$
28,667
 
Net income attributable to non-controlling interests
  
13
   
48
   
154
   
124
 
Net income attributable to controlling interest from continuing operations
 
$
6,514
  
$
6,585
  
$
30,776
  
$
28,543
 
Denominator:
                
Denominator for basic earnings per share
  
22,756
   
22,691
   
22,744
   
22,675
 
Effect of dilutive securities:
                
Employee stock options and restricted stock units
  
211
   
252
   
218
   
266
 
Supplemental Executive Retirement Plan
  
115
   
110
   
115
   
108
 
Denominator for diluted earnings per share
  
23,082
   
23,053
   
23,077
   
23,049
 
 
                

A total of 323 and 1,072 options were antidilutive for each of the three-month periods ended September 30, 2013 and 2012, respectively.  A total of 573 and 822 options were antidilutive for each of the nine-month periods ended September 30, 2013 and 2012, respectively.  Antidilutive options are not included in the diluted earnings per share computation.