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Inventories (Tables)
3 Months Ended
Mar. 31, 2020
Inventory, Net [Abstract]  
Schedule of components of inventories The components of inventories were as follows:
(in thousands)
March 31,
2020
 
December 31,
2019

 

 
 

Raw materials
$
42,290

 
$
41,202

Work-in-process
20,970

 
20,077

Finished goods
148,384

 
133,740

Inventories
$
211,644

 
$
195,019