Quarterly report pursuant to Section 13 or 15(d)

INCOME TAXES - Additional Information (Detail)

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INCOME TAXES - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Income Taxes [Line Items]        
Gross unrecognized tax benefit balance, change within the next twelve months, lower limit $ 0   $ 0  
Gross unrecognized tax benefit balance, change within the next twelve months, upper limit $ 5.0   $ 5.0  
Effective income tax rate 37.20% 35.90% 36.10% 35.90%