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Inventories (Tables)
12 Months Ended
Dec. 31, 2019
Inventory, Net [Abstract]  
Schedule of Components of Inventories
The components of inventories are as follows:
(in thousands)
 
December 31,
2019
 
December 31,
2018

 
 

 
 

Raw materials
 
$
41,202

 
$
31,973

Work-in-process
 
20,077

 
17,009

Finished goods
 
133,740

 
124,321

Inventories
 
$
195,019

 
$
173,303