INCOME TAXES - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ (8.1)	$ (24.3)
Income tax expense, percentage of pre-tax income	(2.60%)	(8.70%)
Total gross unrecognized tax benefits	$ 100.7		$ 96.7