Goodwill and Other Intangible Assets (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Intangible assets:
Gross Carrying Amount, intangible assets subject to amortization	$ 165.2	$ 176.1
Accumulated Amortization, intangible assets subject to amortization	(87.7)	(76.2)
Net Carrying Amount, intangible assets subject to amortization	77.5us-gaap_FiniteLivedIntangibleAssetsNet	99.9us-gaap_FiniteLivedIntangibleAssetsNet
Gross Carrying Amount, total intangible assets	171.5	181.8
Net Carrying Amount, total intangible assets	83.8	105.6
Amortization expense related to intangible assets subject to amortization	20.2us-gaap_AmortizationOfIntangibleAssets	20.8us-gaap_AmortizationOfIntangibleAssets	22.0us-gaap_AmortizationOfIntangibleAssets
Estimated future amortization expense related to amortizable intangible asset:
2015	20.1
2016	19.9
2017	19.4
2018	13.5
2019	2.3
Thereafter	2.3
BSI \| CAM division
Intangible assets:
Impairment charge on definite-lived intangible assets	0.9		16.4
Gross Carrying Amount, intangible assets not subject to amortization	0
In-process research and development
Intangible assets:
Gross Carrying Amount, intangible assets not subject to amortization	6.3	5.7
Net Carrying Amount, total intangible assets	6.3	5.7
Existing technology and related patents
Intangible assets:
Gross Carrying Amount, intangible assets subject to amortization	149.8	157.9
Accumulated Amortization, intangible assets subject to amortization	(81.7)	(68.2)
Net Carrying Amount, intangible assets subject to amortization	68.1	89.7
Customer relationships
Intangible assets:
Gross Carrying Amount, intangible assets subject to amortization	13.4	18.0
Accumulated Amortization, intangible assets subject to amortization	(5.6)	(7.8)
Net Carrying Amount, intangible assets subject to amortization	7.8	10.2
Non compete contracts
Intangible assets:
Gross Carrying Amount, intangible assets subject to amortization	1.8
Accumulated Amortization, intangible assets subject to amortization	(0.2)
Net Carrying Amount, intangible assets subject to amortization	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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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

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

+ References

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=26713463&loc=d3e16323-109275

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- Definition

Amount of amortization expense expected to be recognized after the fifth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

No definition available.

+ Details

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- Definition

Amount of amortization expense expected to be recognized during the next fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References