Goodwill And Other Acquired Intangible Assets (Estimated Future Amortization Expense) (Details) (USD $) In Millions	9 Months Ended
Sep. 30, 2011
Goodwill And Other Acquired Intangible Assets [Abstract]
2011 (after September 30,)	$ 4.6
2012	18.2
2013	18.0
2014	14.5
2015	13.4
Thereafter	$ 84.3

Estimated amortization expense for the remainder of the current year.

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- Definition

Goodwill and Other Acquired Intangible Assets [Abstract]

+ Details

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- Definition

The amount of amortization expense expected to be recognized for the remainder of the finite-lived intangible asset useful life after the fifth succeeding fiscal year.

+ Details

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- Definition

The amount of amortization expense expected to be recognized during year five of the five succeeding fiscal years.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(3)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275

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- Definition

The amount of amortization expense expected to be recognized during year four of the five succeeding fiscal years.

+ References

+ Details

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- Definition

The amount of amortization expense expected to be recognized during year three of the five succeeding fiscal years.

+ References

+ Details

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The amount of amortization expense expected to be recognized during year two of the five succeeding fiscal years.

+ References

+ Details

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