INCOME TAXES - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Tax Disclosure [Abstract]
Income tax expense	$ 40.6	$ 46.1	$ 60.3	$ 75.3
Effective income tax rate	31.80%	34.30%	25.00%	32.20%
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ 17.0		$ 17.0