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Inventories (Tables)
12 Months Ended
Dec. 31, 2018
Composition of Inventories, Net
Inventories, net consisted of the following at December 31, 2018 and 2017:
 
 
 
2018
 
 
2017
 
 
 
(in thousands)
 
Raw material
 
$89,365
 
 
$62,668
 
Work-in-process
 
 
31,014
 
 
 
19,464
 
Finished goods
 
 
33,162
 
 
 
25,393
 
 
 
$153,541
 
 
$107,525