Inventories (Tables)

6 Months Ended

Jun. 30, 2020

Inventory Disclosure [Abstract]

Components of Inventories

The components of inventories were as follows (dollars in millions):

	June 30,		December 31,
	2020		2019
Raw materials	$	272.1	$	271.5
Work in process		13.1		11.0
Finished goods		231.7		207.7
Supplies and materials		317.6		303.9
Inventories	$	834.5	$	794.1