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Inventories
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Inventories Inventories
The components of inventories were as follows: 
March 31,December 31,
(in thousands)20222021
Raw materials and supplies$121,474 $105,784 
Work-in-process26,721 21,259 
Finished goods300,585 286,271 
Inventories$448,780 $413,314