INCOME TAXES - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Tax Disclosure [Abstract]
Income tax expense	$ 46.1	$ 11.4	$ 75.3	$ 53.0
Effective income tax rate	34.30%	10.60%	32.20%	16.10%
Tax Adjustments, Settlements, and Unusual Provisions	$ 3.6
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ 18.0		$ 18.0