Inventories (Tables)

3 Months Ended

Mar. 31, 2024

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories at March 31, 2024 and December 31, 2023 were as follows (in millions):

	March 31, 2024		December 31, 2023
Raw materials and supplies	$	229.3	$	234.9
Work-in-process	1,030.0		973.6
Finished goods	94.7		114.5
	1,354.0		1,323.0
Inventory valuation reserves	(69.1)		(75.5)
Total inventories, net	$	1,284.9	$	1,247.5