Business Combinations Intangible Assets Table (Details) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 70.2	$ 37.0
Finite-Lived Intangible Assets, Accumulated Amortization	(10.1)	(8.5)
Finite-Lived Intangible Assets, Net	60.1	28.5
Computer Software, Intangible Asset [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	33.1	31.7
Finite-Lived Intangible Assets, Accumulated Amortization	(9.9)	(8.5)
Finite-Lived Intangible Assets, Net	23.2	23.2
In Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	5.4	5.3
Finite-Lived Intangible Assets, Accumulated Amortization	0.0	0.0
Finite-Lived Intangible Assets, Net	5.4	5.3
Technology-Based Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	29.5	0.0
Finite-Lived Intangible Assets, Accumulated Amortization	(0.2)	0.0
Finite-Lived Intangible Assets, Net	29.3	0.0
Customer-Related Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	2.2	0.0
Finite-Lived Intangible Assets, Accumulated Amortization	0.0	0.0
Finite-Lived Intangible Assets, Net	$ 2.2	$ 0.0

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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