Inventories (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Components of Inventories
Raw materials, net of reserves	$ 61.2	$ 57.8
Work in progress	0.2	0.5
Finished goods, net of reserves	49.4	37.3
Inventories	$ 110.8	$ 95.6