Estimated Amortization Expense for Future Fiscal Years (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2012
Software
Finite-Lived Intangible Assets [Line Items]
Remainder of 2012	$ 17,093
2013	15,881
2014	13,002
2015	9,861
2016	8,537
Thereafter	43,894
Total	108,268
Other Intangible Assets Amortization
Finite-Lived Intangible Assets [Line Items]
Remainder of 2012	9,622
2013	12,583
2014	10,796
2015	7,464
2016	6,993
Thereafter	82,316
Total	$ 129,774

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

No definition available.

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- Definition

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

+ References

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- Definition

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

+ References

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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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