| GOODWILL AND OTHER INTANGIBLE ASSETS - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended | ||
|---|---|---|---|
| Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | |
| Goodwill and Intangible Assets Disclosure [Line Items] | |||
| Amortization expense related to purchased intangible assets | $ 90.5 | $ 90.0 | $ 80.3 | 
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- Details 
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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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