Components of Property, Plant and Equipment (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	$ 1,107.5	$ 1,067.2
Less accumulated depreciation and amortization	511.7	473.1
Net Property, Plant and Equipment	595.8	594.1
Land
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	25.6	25.7
Building and Building Improvements
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	281.1	280.4
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	596.1	577.5
Software
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	84.1	83.0
Office equipment and other assets
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	61.4	57.7
Construction in progress
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	$ 59.2	$ 42.9