ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES - Components of Accrued Expenses and Other (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Schedule of Accrued Liabilities [Line Items]
Sales returns and allowances	$ 95.5	$ 89.7
Advertising, marketing and promotional costs	96.3	82.8
Taxes	41.8	54.3
Compensation and related benefits	50.1	42.1
Interest	29.6	34.0
Professional services and insurance	18.6	16.3
Short-term lease liability	16.6	14.5
Freight and distribution costs	9.5	13.2
Restructuring reserve	13.8	10.0
Software	3.1	4.0
Other	46.0	54.0
Total	420.9	414.9
Employee Severance and Other Personnel Benefits | Former President and Chief Executive Officer
Schedule of Accrued Liabilities [Line Items]
Other		2.3
Revlon Consumer Products Corporation
Schedule of Accrued Liabilities [Line Items]
Taxes	44.8	57.6
Total	$ 423.2	$ 418.2