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Earnings Per Share
 12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Earnings Per Share
15. Earnings Per Share
 
The computations of basic and diluted earnings per share for the years ended December 31, 2014, 2013 and 2012 are as follows (in thousands, except per share data):
 
  
Year Ended
December 31, 2014
  
Year Ended
December 31, 2013
  
Year Ended
December 31, 2012
 
Earnings per share attributable to common shareholders:
 
  
  
 
From continuing operations prior to revaluation of redeemable non-controlling interests, net of tax
 
$
20,853
  
$
17,492
  
$
18,212
 
Charges to additional-paid-in-capital - revaluation of non-controlling interests, net of tax
  
(1,086
)
  
-
   
-
 
From continuing operations, net of tax
  
19,767
   
17,492
   
18,212
 
From discontinued operations, net of tax
  
-
   
(4,769
)
  
(279
)
  
$
19,767
  
$
12,723
  
$
17,933
 
Basic earnings per share attributable to common shareholders:
            
From continuing operations prior to revaluation of redeemable non-controlling interests, net of tax
 
$
1.71
  
$
1.45
  
$
1.54
 
Charges to additional-paid-in-capital - revaluation of non-controlling interests, net of tax
  
(0.09
)  
-
   
-
 
From continuing operations, net of tax
  
1.62
   
1.45
   
1.54
 
From discontinued operations, net of tax
  
-
 
  
(0.40
)
  
(0.02
)
Basic
 
$
1.62
  
$
1.05
  
$
1.52
 
Diluted earnings per share attributable to common shareholders:
            
From continuing operations prior to revaluation of redeemable non-controlling interests, net of tax
 
$
1.71
  
$
1.45
  
$
1.53
 
Charges to additional-paid-in-capital - revaluation of non-controlling interests, net of tax
  
(0.09
)  
-
   
-
 
From continuing operations, net of tax
  
1.62
   
1.45
   
1.53
 
From discontinued operations, net of tax
  
-
 
  
(0.40
)
  
(0.02
)
Basic
 
$
1.62
  
$
1.05
  
$
1.51
 
             
Shares used in computation:
            
Basic earnings per share - weighted-average shares
  
12,217
   
12,063
   
11,804
 
Effect of dilutive securities - stock options
  
4
   
19
   
100
 
Denominator for diluted earnings per share - adjusted weighted-average shares
  
12,221
   
12,082
   
11,904
 

All options to purchase shares for the year ended December 31, 2014, 2013 and 2012 were included in the diluted earnings per share calculation as the average market price for those years exceeded the options’ exercise price.