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INCOME TAXES - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Income Tax [Line Items]        
Effective tax rate 30.50% 25.80% 13.50% 28.20%
Income tax provision expense (benefit) $ 41,337 $ 64,199 $ 80,090 $ 103,049