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Inventories (Tables)
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Schedule of inventories
Inventories consisted of the following:
 (in Millions)March 31, 2022December 31, 2021
Finished goods$556.5 $559.2 
Work in process889.6 730.8 
Raw materials, supplies and other260.8 231.9 
First-in, first-out inventory$1,706.9 $1,521.9 
Less: Excess of first-in, first-out cost over last-in, first-out cost(116.2)(116.2)
Net inventories$1,590.7 $1,405.7