Inventories (Tables)

9 Months Ended

Sep. 30, 2023

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories at September 30, 2023 and December 31, 2022 were as follows (in millions):

	September 30, 2023		December 31, 2022
Raw materials and supplies	$	255.4	$	213.6
Work-in-process	1,056.0		941.1
Finished goods	127.6		111.9
	1,439.0		1,266.6
Inventory valuation reserves	(85.1)		(70.9)
Total inventories, net	$	1,353.9	$	1,195.7