GOODWILL AND INTANGIBLE ASSETS - Additional Information (Detail) (USD $) In Millions |
3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2011 |
Sep. 30, 2010 |
Sep. 30, 2011 |
Sep. 30, 2010 |
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| Goodwill and Intangible Assets Disclosure [Line Items] | ||||
| Amortization expense related to purchased intangible assets | $ 21.9 | $ 22.3 | $ 67.9 | $ 66.8 |
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- Definition Goodwill and Intangible Assets Disclosure [Line Items]
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- Definition Aggregate amount of intangible asset amortization recognized as expense during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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