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Inventories (Tables)
6 Months Ended
Jul. 02, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventory
A summary of inventories follows (in thousands):

    
 July 2, 2022January 1, 2022
Finished product$346,054 $272,995 
Work in process82,204 81,158 
Raw material52,587 48,186 
Supplies and other97,557 55,126 
 $578,402 $457,465