Inventories (Tables)

12 Months Ended

Dec. 31, 2015

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories consisted of the following:

	December 31,
	2015		2014
	(in millions)
Finished goods	$	7.2	$	7.8
Raw materials, spare parts and supplies	3.5		1.8
Total	$	10.7	$	9.6