Property, Plant and Equipment Property, Plant and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 1,551.8	$ 1,491.6
Less: accumulated depreciation	(1,004.2)	(976.8)
Property, plant and equipment, net	547.6	514.8
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	63.5	66.0
Building and Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	340.8	344.8
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 1,147.5	$ 1,080.8