INCOME TAXES - Significant Components of Income Tax Benefit (Expense) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current
United States - federal			$ (107.0)
United States - state and local	$ (10.7)	$ (0.4)	(10.0)
Foreign	(6.4)	(8.5)	(7.1)
Current income tax expense	(17.1)	(8.9)	(124.1)
Deferred
United States - federal	23.9	24.4	256.1
United States - state and local	8.0	11.2	9.8
Foreign	2.0	3.1	9.1
Deferred income tax expense	33.9	38.7	275.0
Total benefit	$ 16.8	$ 29.8	$ 150.9