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Inventories
12 Months Ended
Dec. 31, 2022
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consisted of the following:
December 31,
 (in Millions)20222021
Finished goods$577.5 $559.2 
Work in process807.4 730.8 
Raw materials, supplies and other266.7 231.9 
Net inventories$1,651.6 $1,521.9 

Effective July 1, 2022, we changed our accounting principle for inventory valuation for inventories located in the U.S. from a last-in, first-out ("LIFO") basis to a first-in, first-out ("FIFO") basis. See Note 1 to the consolidated financial statements included within this Form 10-K for further information regarding this matter.