INCOME TAXES - Income Before Income Taxes and Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Loss from continuing operations before income taxes
United States	$ (293.0)	$ (298.5)
Foreign	128.0	6.6
Loss from continuing operations before income taxes	(165.0)	(291.9)
Provision for income taxes:
United States federal	(23.2)	(27.2)
State and local	7.0	(3.6)
Foreign	16.4	33.0
Income Tax Expense (Benefit), Total	0.2	2.2
Current:
United States federal	5.8	(8.9)
State and local	(1.8)	(0.8)
Foreign	26.0	10.2
Current income tax expense (benefit)	30.0	0.5
Deferred:
United States federal	(29.0)	(18.3)
State and local	8.8	(2.8)
Foreign	(9.6)	22.8
Provision for deferred income taxes	$ (29.8)	$ 1.7