Inventories (Tables)

6 Months Ended

Jun. 30, 2023

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

The classes of inventory as of June 30, 2023 and December 31, 2022 are summarized as follows:

($ in millions)	June 30, 2023		December 31, 2022
Finished goods	$	132.0	$	136.6
Work in process	22.5		34.8
Raw materials	174.7		174.6
Total	$	329.2	$	346.0