Estimated Amortization Expense for Future Fiscal Years (Detail) (USD $) In Thousands	9 Months Ended
Sep. 30, 2011
Software Amortization
Indefinite-lived Intangible Assets by Major Class [Line Items]
Remainder of 2011	$ 3,522
2012	11,452
2013	5,124
2014	2,929
2015	871
Thereafter	108
Total	24,006
Other Intangible Assets Amortization
Indefinite-lived Intangible Assets by Major Class [Line Items]
Remainder of 2011	1,354
2012	5,402
2013	5,152
2014	3,370
2015	1,469
Thereafter	3,036
Total	$ 19,783

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

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

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

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

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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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