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Inventories
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Inventories
5     Inventories
Inventories are classified as follows (in thousands):
 
    
December 31, 2021
    
December 31, 2020
 
Raw materials
   $ 165,240      $ 133,490  
Work in progress
     19,726        18,678  
Finished goods
     171,129        152,113  
    
 
 
    
 
 
 
Total inventories
   $ 356,095      $ 304,281  
    
 
 
    
 
 
 
During 2021, 2020 and 2019, the Company
 
recorded inventory-related excess and obsolescence provisions of $
9
 million, $
12
 million
and
$
13
 million, respectively.