Inventories (Tables)

3 Months Ended

Mar. 31, 2014

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories consisted of the following:

	March 31, 2014		December 31, 2013
	(in millions)
Finished goods	$	268.0	$	268.2
Raw materials and precious metals	179.5		177.0
In-process inventories	51.9		36.9
Parts and supplies	43.7		44.5
	$	543.1	$	526.6