Inventories (Tables)

9 Months Ended

Sep. 30, 2020

Inventory Disclosure [Abstract]

Major components of inventory

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

(dollars in millions)	September 30, 2020		December 31, 2019
Finished goods	$	122.1	$	118.5
Work in process	26.5		22.6
Raw materials and supplies	63.3		58.5
Total inventories	$	211.9	$	199.6