Components of Property, Plant and Equipment (Details) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Gross PP&E	$ 1,180.7	$ 1,165.3
Less accumulated depreciation and amortization	607.5	576.7
Net PP&E	573.2	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	290.1	284.7
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Gross PP&E	693.0	680.1
Software
Property, Plant and Equipment [Line Items]
Gross PP&E	91.0	90.4
Office equipment and other assets
Property, Plant and Equipment [Line Items]
Gross PP&E	63.3	60.8
Construction in progress
Property, Plant and Equipment [Line Items]
Gross PP&E	$ 18.2	$ 24.2