DEBT - Consummation of 2020 BrandCo Refinancing Transactions (Details) - USD ($)				6 Months Ended		9 Months Ended
		May 28, 2020	May 07, 2020	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2020		Sep. 30, 2019
Debt Instrument [Line Items]
Paid-in kind closing fees						$ 29,100,000		$ 0
Paid-in-kind interest accrued on the 2020 BrandCo Facilities						6,200,000		0
Aggregate principal amount rolled-up						846,000,000.0		0
Interest paid						182,200,000		157,900,000
Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Paid-in kind closing fees						29,100,000		0
Paid-in-kind interest accrued on the 2020 BrandCo Facilities						6,200,000		0
Aggregate principal amount rolled-up						846,000,000.0		0
Interest paid						182,200,000		157,900,000
2020 BrandCo Facility due 2025 | Revlon Consumer Products Corporation | Secured debt
Debt Instrument [Line Items]
Aggregate principal amount outstanding			$ 815,000,000		$ 910,600,000
Proceeds from long-term lines of credit		$ 65,000,000
Paid-in kind closing fees					29,100,000
Paid-in-kind interest accrued on the 2020 BrandCo Facilities					1,500,000
Covenant springing maturity, number of days prior to the maturity date			91 days
Covenant springing maturity threshold amount, minimum one			$ 100,000,000
Debt Issuance costs			$ 119,300,000
2020 BrandCo Facility due 2025 | Revlon Consumer Products Corporation | Secured debt | LIBOR
Debt Instrument [Line Items]
Variable rate floor			1.50%
Basis spread on variable interest rate			10.50%
Basis spread on variable rate, payment In kind			2.00%
Roll-up BrandCo Facility due 2025 | Revlon Consumer Products Corporation | Secured debt
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 950,000,000
Roll-up BrandCo Facility due 2025 | Revlon Consumer Products Corporation | Secured debt | LIBOR
Debt Instrument [Line Items]
Variable rate floor			0.75%
Basis spread on variable interest rate			3.50%
Junior Roll-up BrandCo Facility due 2025 | Revlon Consumer Products Corporation | Secured debt
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 3,000,000
Junior Roll-up BrandCo Facility due 2025 | Revlon Consumer Products Corporation | Secured debt | LIBOR
Debt Instrument [Line Items]
Variable rate floor			0.75%
Basis spread on variable interest rate			3.50%
Roll-up and Junior Roll-up BrandCo Facilities due 2025 | Revlon Consumer Products Corporation | Secured debt
Debt Instrument [Line Items]
Aggregate principal amount outstanding				$ 846,000,000.0	$ 846,000,000.0	846,000,000.0
Aggregate principal amount rolled-up				846,000,000.0
Remaining borrowing capacity				$ 107,000,000.0		107,000,000.0
2019 Term Loan Facility due 2023
Debt Instrument [Line Items]
Repayments of senior debt	[1]					200,000,000.0
2019 Term Loan Facility due 2023 | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Repayments of senior debt			$ 200,000,000			200,000,000.0	[2]
Interest paid			1,300,000
5.75% Senior Notes due 2021
Debt Instrument [Line Items]
Repayments of senior debt						$ 114,100,000		0
Stated interest rate (as a percent)				5.75%		5.75%
5.75% Senior Notes due 2021 | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Aggregate principal amount outstanding				$ 342,800,000		$ 342,800,000
Repayments of senior debt						$ 114,100,000		0
Stated interest rate (as a percent)				5.75%		5.75%
Interest paid			$ 700,000
6.25% Senior Notes due 2024
Debt Instrument [Line Items]
Stated interest rate (as a percent)				6.25%		6.25%
6.25% Senior Notes due 2024 | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Aggregate principal amount outstanding				$ 450,000,000		$ 450,000,000
Stated interest rate (as a percent)				6.25%		6.25%
Extended Term Loans due 2025 | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Aggregate principal amount outstanding				$ 30,700,000		$ 30,700,000
Covenant springing maturity, number of days prior to the maturity date			91 days
Covenant springing maturity threshold amount, minimum one			$ 75,000,000
Covenant springing maturity threshold amount, minimum two			$ 100,000,000
Extended Term Loans due 2025 | Revlon Consumer Products Corporation | LIBOR
Debt Instrument [Line Items]
Variable rate floor			0.75%
Basis spread on variable interest rate			3.50%
2016 Term Loan Facility due 2023 and 2025
Debt Instrument [Line Items]
Repayments of senior debt						9,200,000		13,500,000
2016 Term Loan Facility due 2023 and 2025 | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Aggregate principal amount outstanding				886,300,000		886,300,000
Repayments of senior debt						9,200,000		$ 13,500,000
Interest paid			$ 17,000,000.0
2016 Term Loan Facility due 2023 | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Aggregate principal amount outstanding				$ 855,600,000		$ 855,600,000

[1] The Company fully repaid the 2019 Term Loan Facility in May 2020.

[2] The Company fully repaid the 2019 Term Loan Facility in May 2020.