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Inventories
9 Months Ended
Sep. 30, 2022
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consisted of the following:
As of September 30, 2022As of December 31, 2021
(in millions)
Raw materials$32.2 $42.4 
Work-in-process229.3 224.0 
Finished goods
126.7 86.7 
Total
$388.2 $353.1