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LONG-TERM DEBT (Tables)
 9 Months Ended
Sep. 30, 2015
LONG-TERM DEBT [Abstract]  
Long-term Debt
Long-term debt consisted of the following at September 30, 2015 and December 31, 2014 (in thousands):

  
September 30,
2015
  
December 31,
2014
 
     
Line of credit
 
$
189,546
  
$
193,443
 
Term loan
  
184,375
   
212,500
 
Promissory note payable in monthly installments at 2.9% through January 2021, collateralized by equipment
  
4,612
   
5,216
 
Unsecured subordinated notes payable in quarterly installments at 5%
  
-
   
357
 
Less unamortized debt issuance costs
  
(2,376
)
  
(2,714
)
   
376,157
   
408,802
 
Less: Current portion
  
(47,699
)
  
(38,608
)
Long-term debt less current maturities
 
$
328,458
  
$
370,194