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	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Income tax expense	$ 38.6	$ 63.7	$ 54.8	$ 130.3
Income tax expense, percentage of pre-tax income	27.10%	28.60%	27.00%	27.20%
Federal statutory tax rate	35.00%	35.00%	35.00%	35.00%
Total gross unrecognized tax benefits	81.6		81.6		74.0
Unrecognized tax benefits, period increase			7.6
Gross interest and penalties related to unrecognized tax benefit accrued	$ 4.2		$ 4.2		$ 3.4

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The net amount of all increases and decreases in unrecognized tax benefits for the period.

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