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INVENTORIES
 12 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]  
INVENTORIES
INVENTORIES
Information regarding the Company's inventories is as follows (in thousands):
 
December 31,
 
2018
 
2017
Raw materials
$
65,185

 
$
58,725

Work-in-process
8,282

 
6,943

Finished goods
97,082

 
79,277

 
$
170,549

 
$
144,945