DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)				3 Months Ended					12 Months Ended
	Dec. 22, 2020 USD ($) reporting_unit	Nov. 13, 2020 USD ($)	Nov. 10, 2020 USD ($)	Dec. 31, 2020 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2020 USD ($) segment reporting_unit	Dec. 31, 2019 USD ($)	Mar. 02, 2021 USD ($)	Nov. 14, 2020 USD ($)	Oct. 23, 2020 USD ($)
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Number of reporting units | reporting_unit									4
Number of reporting segments | segment									4
Public holding company expenses									$ 7,200,000	$ 7,900,000
Outstanding checks				$ 15,200,000				$ 13,300,000	15,200,000	13,300,000
Depreciation and amortization									143,300,000	162,900,000
Impairment of Long-lived assets									0	0
Net deferred financing costs				$ 119,300,000				$ 0	$ 119,300,000	$ 0
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]				us-gaap:OtherLiabilitiesCurrent				us-gaap:OtherLiabilitiesCurrent	us-gaap:OtherLiabilitiesCurrent	us-gaap:OtherLiabilitiesCurrent
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]				us-gaap:OtherLiabilitiesNoncurrent				us-gaap:OtherLiabilitiesNoncurrent	us-gaap:OtherLiabilitiesNoncurrent	us-gaap:OtherLiabilitiesNoncurrent
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]				us-gaap:OtherLiabilitiesCurrent				us-gaap:OtherLiabilitiesCurrent	us-gaap:OtherLiabilitiesCurrent	us-gaap:OtherLiabilitiesCurrent
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]				us-gaap:OtherLiabilitiesNoncurrent				us-gaap:OtherLiabilitiesNoncurrent	us-gaap:OtherLiabilitiesNoncurrent	us-gaap:OtherLiabilitiesNoncurrent
Goodwill impairment charge				$ 0	$ 0	$ 11,200,000	$ 99,800,000
Indefinite-lived intangible assets									$ 33,100,000	$ 0
Total Intangibles Impairment				0				$ 0	33,100,000	0
Advertising expenses									332,100,000	446,800,000
Distribution costs									106,900,000	135,700,000
Research and development expenditures									29,300,000	40,300,000
Outstanding borrowings				3,322,500,000				3,194,200,000	3,322,500,000	3,194,200,000
Liquidity position				249,900,000					249,900,000
Cash and cash equivalents				97,100,000				104,300,000	97,100,000	104,300,000
Licensing agreements | Helen of Troy Limited
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Number of renewal periods | reporting_unit	3
Term of renewal periods	20 years
One-time, upfront cash fee	$ 72,500,000
Deferred revenue amortization period	26 years
Amortization period estimation, threshold percentage of total discounted cash flows captured	90.00%
International
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents				89,800,000					89,800,000
Revlon Consumer Products Corporation
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Depreciation and amortization									143,300,000	162,900,000
Cash and cash equivalents				$ 97,100,000				104,300,000	$ 97,100,000	104,300,000
5.75% Senior Notes due 2021
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Stated interest rate (as a percent)				5.75%					5.75%
Outstanding borrowings				$ 0				498,100,000	$ 0	498,100,000
5.75% Senior Notes due 2021 | Revlon Consumer Products Corporation
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Stated interest rate (as a percent)				5.75%					5.75%				5.75%
Debt conversion, original debt amount		$ 236,000,000	$ 236,000,000
Debt redeemed		106,800,000
Outstanding borrowings		175,500,000		$ 0					$ 0			$ 0	$ 342,800,000
5.75% Senior Notes due 2021 | Revlon Consumer Products Corporation | 2020
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Cash per $1,000 principal amount			275
Early tender/consent fee payable per $1,000 principal amount			50
Aggregate cash per $1,000 principal			325
5.75% Senior Notes due 2021 | Revlon Consumer Products Corporation | 2021
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Cash per $1,000 principal amount			200
Early tender/consent fee payable per $1,000 principal amount			50
Aggregate cash per $1,000 principal			$ 250
2020 New ABL FILO Term Loans due 2023
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Outstanding borrowings				50,000,000.0				0	50,000,000.0	0
2020 New ABL FILO Term Loans due 2023 | Revolving credit facility
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Amount drawn				50,000,000					50,000,000
2020 New ABL FILO Term Loans due 2023 | Revlon Consumer Products Corporation | Revolving credit facility
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Aggregate principal amount													50,000,000
Outstanding borrowings				50,000,000.0					50,000,000.0
2020 New ABL FILO Term Loans due 2023 | Revlon Consumer Products Corporation | Revolving credit facility | 2021
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Aggregate principal amount													50,000,000
2020 New BrandCo Second-Lien Term Loans due 2025
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Outstanding borrowings				75,000,000.0				0	75,000,000.0	0
2020 New BrandCo Second-Lien Term Loans due 2025 | Revlon Consumer Products Corporation
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Aggregate principal amount		$ 75,000,000											75,000,000
Outstanding borrowings				75,000,000.0					75,000,000.0
2020 New BrandCo Second-Lien Term Loans due 2025 | Revlon Consumer Products Corporation | 2021
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Aggregate principal amount													$ 75,000,000
Amended 2016 Revolving Credit Facility due 2021
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Outstanding borrowings				136,700,000				269,900,000	136,700,000	269,900,000
Amended 2016 Revolving Credit Facility due 2021 | Revlon Consumer Products Corporation
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Available borrowing capacity				168,000,000.0					168,000,000.0
Amount drawn				188,900,000					188,900,000
Amended 2016 Revolving Credit Facility due 2021 | Revlon Consumer Products Corporation | Revolving credit facility
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Maximum borrowing capacity				400,000,000.0					400,000,000.0
Available borrowing capacity				168,000,000.0					168,000,000.0
Amount drawn				188,900,000					$ 188,900,000
2021 Foreign Asset-Based Term Facility due 2024 | Revlon Consumer Products Corporation | Secured debt | Subsequent Event
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Maximum borrowing capacity											$ 75,000,000
Mass Portfolio, Elizabeth Arden Fragrances and Elizabeth Arden Skin and Color Reporting Units | COVID-19
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Indefinite-lived intangible assets							$ 24,500,000
Elizabeth Arden Fragrances and Elizabeth Arden Skin And Color Reporting Units | COVID-19
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Indefinite-lived intangible assets						$ 8,600,000
Land Improvements | Minimum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment - useful life									20 years
Land Improvements | Maximum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment - useful life									30 years
Building and improvements | Minimum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment - useful life									5 years
Building and improvements | Maximum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment - useful life									50 years
Machinery and equipment | Minimum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment - useful life									3 years
Machinery and equipment | Maximum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment - useful life									15 years
Counters and Trade Fixtures | Minimum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment - useful life									3 years
Counters and Trade Fixtures | Maximum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment - useful life									5 years
Office Furniture and Fixtures | Minimum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment - useful life									3 years
Office Furniture and Fixtures | Maximum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment - useful life									15 years
Capitalized Software | Minimum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment - useful life									2 years
Capitalized Software | Maximum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment - useful life									10 years
Wall Displays
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, net				$ 82,200,000				$ 101,000,000.0	$ 82,200,000	101,000,000.0
Depreciation and amortization									$ 50,100,000	$ 55,600,000
Wall Displays | Minimum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment - useful life									1 year
Wall Displays | Maximum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment - useful life									3 years
Trade Receivables | Customer Concentration Risk | Three Largest Customers
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage									41.00%	33.00%