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INCOME TAXES - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Income Tax Disclosure [Abstract]    
Income tax expense $ (18.1)us-gaap_IncomeTaxExpenseBenefit $ (13.0)us-gaap_IncomeTaxExpenseBenefit
Effective income tax rate 31.90%us-gaap_EffectiveIncomeTaxRateContinuingOperations 27.50%us-gaap_EffectiveIncomeTaxRateContinuingOperations
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit $ 86.6us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit