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Earnings per Share
9 Months Ended
Sep. 30, 2015
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 effect 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 and the number of basic and diluted shares used in the computation of earnings per share:

  
Three Months Ended
September 30,
  
Nine Months Ended
September 30,
 
  
2015
  
2014
  
2015
  
2014
 
Numerator:
        
Net income attributable to controlling interest
 
$
2,292
  
$
1,916
  
$
29,201
  
$
25,958
 
Denominator:
                
Denominator for basic earnings per share
  
22,943
   
22,830
   
22,930
   
22,813
 
Effect of dilutive securities:
                
Employee stock options and restricted stock units
  
114
   
167
   
124
   
180
 
Supplemental Executive Retirement Plan
  
64
   
112
   
64
   
110
 
Denominator for diluted earnings per share
  
23,121
   
23,109
   
23,118
   
23,103
 
                 

Antidilutive options are not included in the diluted earnings per share computation.  The number of antidilutive options in the three and nine-month periods ended September 30, 2015 and 2014 were not material.