INCOME TAXES - Income Before Income Taxes and Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Loss from continuing operations before income taxes
United States	$ (298.5)	$ (190.7)
United States	6.6	27.2
Loss from continuing operations before income taxes	(291.9)	(163.5)	[1]
Provision for income taxes
United States federal	(27.2)	7.0
State and local	(3.6)	9.0
Foreign	33.0	5.8
Total provision for income taxes	2.2	21.8	[1]
Current:
United States federal	(8.9)	(20.2)
State and local	(0.8)	1.9
Foreign	10.2	17.5
Current income tax expense (benefit)	0.5	(0.8)
Deferred:
United States federal	(18.3)	27.2
State and local	(2.8)	7.1
Foreign	22.8	(11.7)
Provision for deferred income taxes	$ 1.7	$ 22.6

[1] Adjusted as a result of the adoption of certain accounting pronouncements during 2018. See Note 1, "Description of Business and Summary of Significant Accounting Policies - Recently Adopted Accounting Pronouncements," for details of these adjustments.