Inventories (Tables)

3 Months Ended

Mar. 31, 2020

Inventory Disclosure [Abstract]

Major components of inventory

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

(dollars in millions)	March 31, 2020		December 31, 2019
Finished goods	$	127.1	$	118.5
Work in process	23.3		22.6
Raw materials and supplies	62.7		58.5
Total inventories	$	213.1	$	199.6