Inventories (Tables)

12 Months Ended

Dec. 31, 2023

Inventory Disclosure [Abstract]

Schedule of Inventory

The classes of inventory as of December 31 are summarized as follows ($ in millions):

	2023		2022
Finished goods	$	196.4	$	229.2
Work in process	17.2		23.9
Raw materials	100.3		103.4
Reserve for inventory obsolescence	(55.1)		(55.7)
Total	$	258.8	$	300.8