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Inventories
3 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
Inventories Inventories
The components of inventories were as follows:
 
 
 
March 31,
 
December 31,
(in thousands)
 
2020
 
2019
Raw materials and supplies
 
$
73,642

 
$
87,675

Work-in-process
 
27,848

 
22,024

Finished goods
 
263,445

 
288,669

Inventories
 
$
364,935


$
398,368