Estimated Amortization Expense for Future Fiscal Years (Detail) (USD $) In Thousands	6 Months Ended
Jun. 30, 2011
Software Amortization
Indefinite-lived Intangible Assets by Major Class [Line Items]
Remainder of 2011	$ 6,952
2012	10,697
2013	4,508
2014	2,622
2015	578
Total	25,357
Other Intangible Assets Amortization
Indefinite-lived Intangible Assets by Major Class [Line Items]
Remainder of 2011	3,105
2012	5,490
2013	5,235
2014	3,399
2015	1,480
Thereafter	3,053
Total	$ 21,762

Future Amortization Expense, Thereafter

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- Definition

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

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

+ References

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

+ References

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

+ References

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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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