Inventories (Tables)

3 Months Ended

Mar. 31, 2024

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories are valued at the lower of cost (on a first-in, first-out basis) or net realizable value. Inventory balances were as follows:

($ in millions)	March 31, 2024		December 31, 2023
Raw materials	$	174.0	$	172.3
Work in process	81.6		87.3
Finished goods	174.3		175.1
	$	429.9	$	434.7