Intangible Assets Estimated Future Annual Amortization Expense (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2012
Finite-Lived Intangible Assets [Line Items]
2012 Amount remaining at September 30	$ 12,015
2013	41,917
2014	37,595
2015	30,700
2016	24,275
Beyond 2016	81,734
Total intangible assets subject to amortization net	$ 228,236

The aggregate estimated amortization expense for succeeding fiscal years for intangible assets subject to amortization.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 for the remainder of the finite-lived intangible asset useful life after the fifth succeeding fiscal year.

+ References

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- Definition

The amount of amortization expense expected to be recognized during the remainder of the current fiscal year.

+ References

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- Definition

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

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- Definition

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

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- Definition

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

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

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