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Inventories (Tables)
6 Months Ended
Jun. 30, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventories by Major Class
The following table details inventories by major class (in millions):
June 30,
2022
December 31,
2021
Raw materials$114.5 $113.4 
Work in process43.9 41.9 
Finished goods108.9 95.7 
Supplies and other9.1 8.5 
Total inventories$276.4 $259.5