Components of Property, Plant and Equipment (Details) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Gross PP&E	$ 1,171.8	$ 1,165.3
Less accumulated depreciation and amortization	592.9	576.7
Net PP&E	578.9	588.6
Land
Property, Plant and Equipment [Line Items]
Gross PP&E	25.1	25.1
Building and Building Improvements
Property, Plant and Equipment [Line Items]
Gross PP&E	289.5	284.7
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Gross PP&E	686.7	680.1
Software
Property, Plant and Equipment [Line Items]
Gross PP&E	90.5	90.4
Office equipment and other assets
Property, Plant and Equipment [Line Items]
Gross PP&E	61.7	60.8
Construction in progress
Property, Plant and Equipment [Line Items]
Gross PP&E	$ 18.3	$ 24.2