Inventories (Tables)

6 Months Ended

Jun. 30, 2016

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories consisted of the following:

	June 30, 2016		December 31, 2015
	(in millions)
Finished goods	$	3.9	$	7.2
Raw materials, spare parts and supplies	1.8		3.5
Total	$	5.7	$	10.7