Quarterly report pursuant to Section 13 or 15(d)

GOODWILL AND INTANGIBLE ASSETS - Additional Information (Detail)

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GOODWILL AND INTANGIBLE ASSETS - Additional Information (Detail) (USD $)
In Millions
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Goodwill and Intangible Assets Disclosure [Line Items]        
Amortization Expense related to purchased intangible assets $ 22.5 $ 22.3 $ 46.1 $ 44.5