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GOODWILL
 9 Months Ended
Sep. 30, 2015
GOODWILL [Abstract]  
GOODWILL
6. GOODWILL

The changes in the carrying amount of goodwill consisted of the following (in thousands):

 
 
Nine
 
 
 
Months Ended
 
 
 
September 30, 2015
 
Beginning balance
 
$
147,914
 
Goodwill acquired during the period
  
22,731
 
Goodwill adjustments for business acquired in 2014
  
384
 
Goodwill written off - closed clinics
  
(180
)
Ending balance
 
$
170,849