Goodwill and Other Intangible Assets (Details 2) (USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Components of amortized intangible assets
Gross Carrying Amount	$ 320.9		$ 334.3
Accumulated Amortization	(134.3)		(133.1)
Amortization expense for intangible assets	7.8	9.0
Estimated amortization expense
Remainder of fiscal year	7.6
2014	15.3
2015	15.3
2016	15.1
2017	14.7
2018	14.3
Contract based
Components of amortized intangible assets
Gross Carrying Amount	21.2		21.0
Accumulated Amortization	(14.0)		(13.8)
Technology based
Components of amortized intangible assets
Gross Carrying Amount	82.7		91.3
Accumulated Amortization	(38.8)		(40.8)
Marketing related
Components of amortized intangible assets
Gross Carrying Amount	23.7		24.9
Accumulated Amortization	(14.2)		(14.4)
Customer based
Components of amortized intangible assets
Gross Carrying Amount	193.3		197.1
Accumulated Amortization	$ (67.3)		$ (64.1)

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.

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=6943989&loc=d3e3602-108585

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

-Publisher FASB

-Name Accounting Standards Codification

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

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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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.

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

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