INCOME TAXES - Significant Components of Income Tax Benefit (Expense) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current
United States – federal		$ (107.0)	$ (102.0)
United States - state and local	$ (0.4)	(10.0)	(11.6)
Foreign	(8.5)	(7.1)	(10.6)
Current income tax expense	(8.9)	(124.1)	(124.2)
Deferred
United States – federal	24.4	256.1	(19.1)
United States - state and local	11.2	9.8	2.5
Foreign	3.1	9.1	20.6
Deferred income tax expense	38.7	275.0	4.0
Total benefit (expense)	$ 29.8	$ 150.9	$ (120.2)