Property, Plant and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, plant and equipment
Property, plant and equipment, at cost	$ 498.6	$ 526.7
Accumulated depreciation	(314.2)	(323.4)
Property, plant and equipment, net	184.4	203.3	$ 219.9
Land
Property, plant and equipment
Property, plant and equipment, at cost	12.5	13.9
Buildings and improvements
Property, plant and equipment
Property, plant and equipment, at cost	146.8	160.1
Machinery and equipment
Property, plant and equipment
Property, plant and equipment, at cost	325.8	343.7
Construction in progress
Property, plant and equipment
Property, plant and equipment, at cost	$ 13.5	$ 9.0