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Inventories (Tables)
9 Months Ended
Sep. 30, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventories by Major Class
The following table details inventories by major class (in millions):
September 30,
2022
December 31,
2021
Raw materials$183.6 $113.4 
Work in process80.5 41.9 
Finished goods193.7 95.7 
Supplies and other27.6 8.5 
Total inventories$485.4 $259.5