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EARNINGS PER SHARE (Tables)
 6 Months Ended
Jun. 30, 2016
EARNINGS PER SHARE [Abstract]  
Computations of Basic and Diluted Earnings Per Share
The computations of basic and diluted earnings per share for the Company are as follows (in thousands, except per share data):
 
  
Three Months Ended
  
Six Months Ended
 
  
June 30, 2016
  
June 30, 2015
  
June 30, 2016
  
June 30, 2015
 
Earnings per share attributable to common shareholders:
            
Prior to revaluation of redeemable non-controlling interests, net of tax
 
$
7,071
  
$
6,304
  
$
12,399
  
$
10,470
 
Charges to additional paid-in-capital - revaluation of redeemable non-controlling interests, net of tax
  
-
   
(376
)
  
-
   
(376
)
  
$
7,071
  
$
5,928
  
$
12,399
  
$
10,094
 
Basic earnings per share attributable to common shareholders:
                
Prior to revaluation of redeemable non-controlling interests, net of tax
 
$
0.57
  
$
0.51
  
$
0.99
  
$
0.85
 
Charges to additional paid-in-capital - revaluation of redeemable non-controlling interests, net of tax
  
-
   
(0.03
)
  
-
   
(0.03
)
  
$
0.57
  
$
0.48
  
$
0.99
  
$
0.82
 
                 
Diluted earnings per share attributable to common shareholders:
                
Prior to revaluation of redeemable non-controlling interests, net of tax
 
$
0.57
  
$
0.51
  
$
0.99
  
$
0.85
 
Charges to additional paid-in-capital - revaluation of redeemable non-controlling interests, net of tax
  
-
   
(0.03
)
  
-
   
(0.03
)
  
$
0.57
  
$
0.48
  
$
0.99
  
$
0.82
 
                 
Shares used in computation:
                
Basic and diluted earnings per share - weighted-average shares
  
12,511
   
12,409
   
12,480
   
12,362