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Inventories
9 Months Ended
Oct. 01, 2022
Inventory Disclosure [Abstract]  
Inventories
4 Inventories
Inventories are classified as follows (in thousands):
 
 
 
 
 
 
 
 
 
 
    
October 1, 2022
    
December 31, 2021
 
Raw materials
   $ 186,958      $ 165,240  
Work in progress
     23,577        19,726  
Finished goods
     231,701        171,129  
    
 
 
    
 
 
 
Total inventories
   $ 442,236      $ 356,095