Inventories (Tables)

9 Months Ended

Sep. 30, 2021

Inventory Disclosure [Abstract]

Major components of inventory

The major components of inventory, on a net basis, were as follows:

(dollars in millions)	September 30, 2021		December 31, 2020
Finished goods	$	185.8	$	119.7
Work in process	35.3		23.0
Raw materials and supplies	95.3		60.4
Total inventories	$	316.4	$	203.1