INCOME TAXES - Narrative 10-Q (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Tax Disclosure [Line Items]
Provision for (benefit from) income taxes	$ 11.2	$ (37.2)
Increase in provision from income taxes	48.4
Revlon Consumer Products Corporation
Income Tax Disclosure [Line Items]
Provision for (benefit from) income taxes	11.1	$ (36.9)
Increase in provision from income taxes	$ 48.0