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TRADE RECEIVABLES (Tables)
12 Months Ended
Dec. 31, 2014
Receivables [Abstract]  
Schedule of trade receivables
December 31,   2014     2013  
(in thousands)            
Gross Trade Receivables, short-term   $ 88,798     $ 81,927  
Allowance for Doubtful Accounts     (10,944 )     (9,078 )
Net Trade Receivables   $ 77,854     $ 72,849