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Inventories (Tables)
12 Months Ended
Dec. 31, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventories by Major Class
The following table summarizes our inventories by major class (in millions):
December 31,
20222021
Raw materials$206.0 $113.4 
Work in process80.5 41.9 
Finished goods223.9 95.7 
Supplies and other24.5 8.5 
Inventories$534.9 $259.5