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Inventories
 3 Months Ended
Apr. 01, 2023
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories are stated at the lower of cost or net realizable value. Cost is determined using the first-in, first-out method. Finished goods and work-in-process inventories include material, labor and manufacturing overhead costs.
A summary of inventories is shown below (in millions):
April 1,
2023		December 31,
2022
Raw materials$1,252.7 $1,216.8 
Work-in-process138.7 126.6 
Finished goods446.6 391.9 
Reserves(161.8)(161.7)
Inventories$1,676.2 $1,573.6