Components of Property, Plant and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Gross PP&E	$ 1,165.3	$ 1,145.0
Less accumulated depreciation and amortization	576.7	535.4
Net PP&E	588.6	609.6
Land
Property, Plant and Equipment [Line Items]
Gross PP&E	25.1	25.2
Building and Building Improvements
Property, Plant and Equipment [Line Items]
Gross PP&E	284.7	277.3
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Gross PP&E	680.1	665.2
Software
Property, Plant and Equipment [Line Items]
Gross PP&E	90.4	84.9
Office equipment and other assets
Property, Plant and Equipment [Line Items]
Gross PP&E	60.8	59.2
Construction in progress
Property, Plant and Equipment [Line Items]
Gross PP&E	$ 24.2	$ 33.2