Goodwill and Other Intangible Assets (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Intangible assets:
Gross Carrying Amount, intangible assets subject to amortization	$ 164.7		$ 165.2
Accumulated Amortization, intangible assets subject to amortization	(87.3)		(87.7)
Net Carrying Amount, intangible assets subject to amortization	77.4us-gaap_FiniteLivedIntangibleAssetsNet		77.5us-gaap_FiniteLivedIntangibleAssetsNet
Gross Carrying Amount, total intangible assets	165.3		171.5
Net Carrying Amount, total intangible assets	78.0		83.8
Amortization expense related to intangible assets subject to amortization	5.2us-gaap_AmortizationOfIntangibleAssets	5.2us-gaap_AmortizationOfIntangibleAssets
In-process research and development
Intangible assets:
Gross Carrying Amount, intangible assets not subject to amortization	0.6		6.3
Net Carrying Amount, intangible assets not subject to amortization	0.6		6.3
Existing technology and related patents
Intangible assets:
Gross Carrying Amount, intangible assets subject to amortization	151.3		149.8
Accumulated Amortization, intangible assets subject to amortization	(82.2)		(81.7)
Net Carrying Amount, intangible assets subject to amortization	69.1		68.1
Customer relationships
Intangible assets:
Gross Carrying Amount, intangible assets subject to amortization	11.4		13.4
Accumulated Amortization, intangible assets subject to amortization	(4.6)		(5.6)
Net Carrying Amount, intangible assets subject to amortization	6.8		7.8
Non compete contracts
Intangible assets:
Gross Carrying Amount, intangible assets subject to amortization	1.8		1.8
Accumulated Amortization, intangible assets subject to amortization	(0.3)		(0.2)
Net Carrying Amount, intangible assets subject to amortization	1.5		1.6
Trade names
Intangible assets:
Gross Carrying Amount, intangible assets subject to amortization	0.2		0.2
Accumulated Amortization, intangible assets subject to amortization	$ (0.2)		$ (0.2)

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

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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