Components of Property, Plant and Equipment (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	$ 1,121.6	$ 1,067.2
Less accumulated depreciation and amortization	(505.4)	(473.1)
Net Property, Plant and Equipment	616.2	594.1
Land
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	25.5	25.7
Building and Building Improvements
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	281.7	280.4
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	599.3	577.5
Software
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	86.4	83.0
Office equipment and other assets
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	57.2	57.7
Construction in progress
Property, Plant and Equipment [Line Items]
Gross Property, Plant and Equipment	$ 71.5	$ 42.9