Inventories (Tables)

9 Months Ended

Sep. 30, 2019

Inventory Disclosure [Abstract]

Major components of inventory

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

(dollars in millions)	September 30, 2019		December 31, 2018
Finished goods	$	120.6	$	109.4
Work in process	18.0		15.3
Raw materials and supplies	59.4		63.4
Total inventories	$	198.0	$	188.1