Goodwill and Intangible Assets (Intangible Assets by Major Class) (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Schedule of Intangible Assets by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	$ 63.1	$ 75.4
Finite-Lived Intangible Assets, Accumulated Amortization	(39.8)	(37.8)
Finite-Lived Intangible Assets, Net	23.3	37.6
Patents and Licensing [Member]
Schedule of Intangible Assets by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	17.8	19.7
Finite-Lived Intangible Assets, Accumulated Amortization	(13.4)	(12.8)
Finite-Lived Intangible Assets, Net	4.4	6.9
In-Process Research and Development (IPR&D) [Member]
Schedule of Intangible Assets by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	3.3	3.4
Finite-Lived Intangible Assets, Accumulated Amortization	(0.7)	(0.6)
Finite-Lived Intangible Assets, Net	2.6	2.8
Trademarks [Member]
Schedule of Intangible Assets by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	2.0	12.0
Finite-Lived Intangible Assets, Accumulated Amortization	(1.6)	(1.4)
Finite-Lived Intangible Assets, Net	0.4	10.6
Customer Relationships [Member]
Schedule of Intangible Assets by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	29.3	29.5
Finite-Lived Intangible Assets, Accumulated Amortization	(18.3)	(17.7)
Finite-Lived Intangible Assets, Net	11.0	11.8
Customer Contracts [Member]
Schedule of Intangible Assets by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	10.7	10.8
Finite-Lived Intangible Assets, Accumulated Amortization	(5.8)	(5.3)
Finite-Lived Intangible Assets, Net	$ 4.9	$ 5.5