Inventories (Tables)

6 Months Ended

Jun. 30, 2019

Inventory Disclosure [Abstract]

Major components of inventory

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

(dollars in millions)	June 30, 2019		December 31, 2018
Finished goods	$	118.0	$	109.4
Work in process	17.9		15.3
Raw materials and supplies	65.7		63.4
Total inventories	$	201.6	$	188.1