INCOME TAXES - Significant Components of Income Tax Expense (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Current
United States - federal	$ 107.0	$ 102.0	$ 105.9
United States - state and local	10.0	11.6	15.6
Foreign	7.1	10.6	16.5
Current income tax expense	124.1	124.2	138.0
Deferred
United States - federal	(256.1)	19.1	23.8
United States - state and local	(9.8)	(2.5)	2.5
Foreign	(9.1)	(20.6)	(21.4)
Deferred income tax expense	(275.0)	(4.0)	4.9
Total (benefit) provision	$ (150.9)	$ 120.2	$ 142.9