INCOME TAXES - Deferred Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Deferred Tax Assets, Net [Abstract]
Inventories	$ 19.8	$ 23.6
Net operating loss carryforwards - U.S. (a)	165.5	160.8
Net operating loss carryforwards - foreign	55.0	69.7
Disallowed Interest Carryover - U.S.	63.1	42.8
Employee benefits	64.3	53.6
Sales-related reserves	20.4	21.1
Lease liability	20.3	0.0
Foreign currency translation adjustment	0.0	1.1
Other	55.5	50.4
Total gross deferred tax assets	463.9	423.1
Less valuation allowance	(163.3)	(165.7)
Total deferred tax assets, net of valuation allowance	300.6	257.4
Deferred Tax Liabilities, Net [Abstract]
Plant, equipment and other assets	(43.9)	(32.6)
Intangibles	(73.3)	(81.5)
Other	(8.1)	(12.1)
Total gross deferred tax liabilities	(125.3)	(126.2)
Net deferred tax assets	175.3	131.2
Net establishment of valuation allowance	19.1	75.0
Revlon Consumer Products Corporation
Deferred Tax Assets, Net [Abstract]
Net operating loss carryforwards - U.S. (a)	$ 146.1	$ 143.8