Inventories

6 Months Ended

Jun. 30, 2015

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories are valued at the lower of cost (on a first-in, first-out basis) or market. Inventory balances were as follows:

($ in millions)	June 30, 2015		December 31, 2014
Finished goods	$	79.2	$	76.0
Work in process	30.0		25.6
Raw materials	78.0		79.9
	$	187.2	$	181.5