ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES - Components of Accrued Expenses and Other (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Schedule of Accrued Liabilities [Line Items]
Sales returns and allowances	$ 68.6	$ 95.5
Advertising, marketing and promotional costs	102.0	96.3
Taxes	49.2	41.8
Compensation and related benefits	49.1	50.1
Interest	30.9	29.6
Professional services and insurance	18.9	18.6
Short-term lease liability	15.7	16.6
Freight and distribution costs	14.7	9.5
Restructuring reserve	5.5	13.8
Software	3.2	3.1
Other	46.1	46.0
Total	403.9	420.9
Revlon Consumer Products Corporation
Schedule of Accrued Liabilities [Line Items]
Taxes	61.0	44.8
Total	$ 415.7	$ 423.2