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INVENTORIES (Tables)
 6 Months Ended
Jun. 30, 2017
Inventory Disclosure [Abstract]  
Schedule of inventories
Information regarding the Company's inventories is as follows (in thousands):
 
June 30, 2017
 
December 31, 2016
Raw materials
$
59,247

 
$
60,217

Work-in-process
7,830

 
7,186

Finished goods
82,999

 
74,669

 
$
150,076

 
$
142,072