Inventories (Tables)

3 Months Ended

Mar. 31, 2015

Inventory Disclosure [Abstract]

Components of Inventories

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

	March 31, 2015		December 31, 2014
Raw materials	$	275.7	$	261.9
Work in process	12.5		11.3
Finished goods	216.6		216.3
Supplies and materials	182.8		175.4
Inventories	$	687.6	$	664.9