DEBT - Components of Long-term Debt, Footnotes (Details)					1 Months Ended	2 Months Ended	3 Months Ended			6 Months Ended		12 Months Ended
	May 07, 2020 USD ($)	May 04, 2020 EUR (€)	May 03, 2020	Apr. 30, 2020	May 31, 2020	Jun. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2020 EUR (€)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Jun. 30, 2020 EUR (€)	Apr. 17, 2020 USD ($)	Apr. 30, 2018 USD ($)
Debt Instrument [Line Items]
Current portion of long-term debt						$ 648,300,000	$ 648,300,000			$ 648,300,000		$ 288,000,000.0
Net gain on extinguishment of debt							11,900,000		$ 0	11,900,000	$ 0
Outstanding borrowings						3,624,100,000	3,624,100,000			3,624,100,000		3,194,200,000
Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Current portion of long-term debt						648,300,000	648,300,000			648,300,000		288,000,000.0
Net gain on extinguishment of debt							11,900,000		$ 0	11,900,000	0
5.75% Senior Notes due 2021
Debt Instrument [Line Items]
Repayments of senior debt										99,600,000	0
Outstanding borrowings						$ 387,200,000	$ 387,200,000			$ 387,200,000		498,100,000
5.75% Senior Notes due 2021 | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Stated interest rate (as a percent)						5.75%	5.75%			5.75%			5.75%
Aggregate principal amount outstanding						$ 387,200,000	$ 387,200,000			$ 387,200,000
Repayments of senior debt										99,600,000	0
Debt repurchased	$ 50,000,000					62,800,000	112,800,000
Net gain on extinguishment of debt							11,900,000			11,900,000
Amended 2016 Revolving Credit Facility due 2021
Debt Instrument [Line Items]
Current portion of long-term debt						247,200,000	247,200,000			247,200,000		269,900,000
Outstanding borrowings						247,200,000	247,200,000			247,200,000		269,900,000
Amended 2016 Revolving Credit Facility due 2021 | Revolving credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity						400,000,000.0	400,000,000.0			400,000,000.0
2020 BrandCo Term Loan Facility due 2025
Debt Instrument [Line Items]
Current portion of long-term debt						4,200,000	4,200,000			4,200,000
Outstanding borrowings						1,582,500,000	1,582,500,000			1,582,500,000		0
2020 BrandCo Term Loan Facility due 2025 | Secured debt | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Aggregate principal amount outstanding						1,720,400,000	1,720,400,000			1,720,400,000
2016 Term Loan Facility due 2023 and 2025
Debt Instrument [Line Items]
Current portion of long-term debt						9,600,000	9,600,000			9,600,000
Repayment of debt												18,000,000.0
Repayments of senior debt										6,900,000	9,000,000.0
Outstanding borrowings						911,800,000	911,800,000			911,800,000		1,713,600,000
2016 Term Loan Facility due 2023 and 2025 | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Aggregate principal amount outstanding						924,800,000	924,800,000			924,800,000
Repayments of senior debt										6,900,000	9,000,000.0
2016 Term Loan Facility due 2023 and 2025 | Revolving credit facility | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Amount by which available liquidity does not exceed principal amount of other debt															$ 200,000,000
Roll-up and Junior Roll-up BrandCo Facilities due 2025 | Secured debt | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Aggregate principal amount outstanding						809,800,000	809,800,000			809,800,000
2019 Term Loan Facility due 2023
Debt Instrument [Line Items]
Repayments of senior debt										200,000,000.0	0
Outstanding borrowings						0	0			0		187,100,000
2019 Term Loan Facility due 2023 | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Debt issuance costs, prepayment premiums	33,500,000
Debt issuance costs, lenders fees	10,300,000
Repayments of senior debt	$ 200,000,000									200,000,000.0	0
2018 Foreign Asset-Based Term Facility due 2021
Debt Instrument [Line Items]
Repayments of senior debt										31,400,000	0
Outstanding borrowings						51,600,000	51,600,000			51,600,000		82,300,000
2018 Foreign Asset-Based Term Facility due 2021 | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Aggregate principal amount outstanding						54,500,000	54,500,000			54,500,000			€ 48,500,000
Repayments of senior debt		€ 5,000,000						€ 28,500,000		31,400,000	$ 0
Maximum borrowing capacity | €		€ 77,000,000											€ 77,000,000
Variable rate floor		0.50%
Basis spread on variable interest rate		7.00%
2018 Foreign Asset-Based Term Facility due 2021 | Revlon Consumer Products Corporation | EURIBOR
Debt Instrument [Line Items]
Variable rate floor			0.50%	0.50%	0.50%
Basis spread on variable interest rate			6.50%	6.50%	7.00%
Tranche A | Revolving credit facility | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Aggregate principal amount outstanding						249,500,000	249,500,000			249,500,000
Maximum borrowing capacity															400,000,000
Amount by which available liquidity does not exceed principal amount of other debt															200,000,000
Tranche A | Sublimit, letters of credit | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Aggregate principal amount outstanding						7,700,000	7,700,000			7,700,000
Tranche B | Revolving credit facility | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Maximum borrowing capacity															$ 41,500,000
Outstanding borrowings														$ 36,300,000
2016 Term Loan Facility due 2023 | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Aggregate principal amount outstanding						894,000,000.0	894,000,000.0			894,000,000.0
Extended Term Loans due 2025 | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Aggregate principal amount outstanding						$ 30,800,000	$ 30,800,000			$ 30,800,000
6.25% Senior Notes due 2024
Debt Instrument [Line Items]
Stated interest rate (as a percent)						6.25%	6.25%			6.25%			6.25%
Outstanding borrowings						$ 443,500,000	$ 443,500,000			$ 443,500,000		$ 442,800,000
6.25% Senior Notes due 2024 | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Stated interest rate (as a percent)						6.25%	6.25%			6.25%			6.25%
Aggregate principal amount outstanding						$ 450,000,000	$ 450,000,000			$ 450,000,000
2019 Senior Line of Credit Agreement | Line of Credit | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Outstanding borrowings						$ 0	$ 0			$ 0