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INVENTORIES
 3 Months Ended
Mar. 26, 2023
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
Inventories consisted of the following:
March 26, 2023December 25, 2022
 (In thousands)
Raw materials and work-in-process$1,256,009 $1,204,092 
Finished products592,772 596,375 
Operating supplies74,347 95,367 
Maintenance materials and parts98,982 94,350 
Total inventories$2,022,110 $1,990,184