Inventories (Tables)

6 Months Ended

Jun. 30, 2014

Inventory Disclosure [Abstract]

Schedule of inventories by major class

The following schedule details inventories by major class ($ in millions):

	June 30, 2014		December 31, 2013
Raw materials	$	34.1	$	39.2
Work in process	31.2		24.4
Finished goods	50.5		50.9
Supplies and other	14.6		18.3
Total	$	130.4	$	132.8