INCOME TAXES - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ (38.0)	$ 354.4	$ (63.4)	$ 325.0
Effective income tax rate	31.90%	(446.90%)	28.80%	(212.40%)
Release of U.S. deferred tax asset valuation allowance				374.6
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ 84.1		$ 84.1