Inventories (Tables)

9 Months Ended

Sep. 30, 2022

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)	September 30, 2022		December 31, 2021
Raw materials	$	179.0	$	153.8
Work in process	79.0		63.5
Finished goods	155.1		161.1
	$	413.1	$	378.4