Goodwill and Intangible Assets (Intangible Assets by Major Class) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Schedule of Intangible Assets by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	$ 77.7	$ 76.1
Finite-Lived Intangible Assets, Accumulated Amortization	(29.4)	(25.5)
Finite-Lived Intangible Assets, Net	48.3	50.6
Patents and Licensing [Member]
Schedule of Intangible Assets by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	20.7	19.2
Finite-Lived Intangible Assets, Accumulated Amortization	(9.4)	(7.8)
Finite-Lived Intangible Assets, Net	11.3	11.4
In-Process Research and Development (IPR&D) [Member]
Schedule of Intangible Assets by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	3.5	3.5
Finite-Lived Intangible Assets, Accumulated Amortization	(0.1)	(0.1)
Finite-Lived Intangible Assets, Net	3.4	3.4
Trademarks [Member]
Schedule of Intangible Assets by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	12.1	12.1
Finite-Lived Intangible Assets, Accumulated Amortization	(1.1)	(1.0)
Finite-Lived Intangible Assets, Net	11.0	11.1
Customer Relationships [Member]
Schedule of Intangible Assets by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	29.7	29.7
Finite-Lived Intangible Assets, Accumulated Amortization	(14.6)	(12.9)
Finite-Lived Intangible Assets, Net	15.1	16.8
Customer Contracts [Member]
Schedule of Intangible Assets by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	11.7	11.6
Finite-Lived Intangible Assets, Accumulated Amortization	(4.2)	(3.7)
Finite-Lived Intangible Assets, Net	$ 7.5	$ 7.9