GOODWILL AND INTANGIBLE ASSETS, NET - Narrative (Details) - USD ($)	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Goodwill [Line Items]
Goodwill	$ 562,700,000			$ 562,700,000		$ 673,700,000
Goodwill impairment charge		$ 99,800,000
Tax benefit due to nondeductible impairment losses	9,900,000		$ 1,200,000	47,100,000	$ 1,100,000
Indefinite-lived intangible assets impairment				33,100,000		0
Amortization expense	$ 8,200,000		$ 8,800,000	$ 16,700,000	$ 23,600,000
Weighted-average cost of capital | Minimum
Goodwill [Line Items]
Goodwill measurement input	10.50%			10.50%
Weighted-average cost of capital | Maximum
Goodwill [Line Items]
Goodwill measurement input	12.00%			12.00%
Perpetual growth rate
Goodwill [Line Items]
Goodwill measurement input	2.00%			2.00%
Goodwill
Goodwill [Line Items]
Tax benefit due to nondeductible impairment losses	$ 0			$ 8,300,000
Intangible assets
Goodwill [Line Items]
Tax benefit due to nondeductible impairment losses	1,800,000			6,900,000
Operating segments
Goodwill [Line Items]
Goodwill	562,700,000			562,700,000		673,700,000
Goodwill impairment charge	11,200,000			111,000,000.0
Indefinite-lived intangible assets impairment	8,600,000			33,100,000
Portfolio | Operating segments
Goodwill [Line Items]
Goodwill	87,600,000			87,600,000		$ 171,100,000
Goodwill impairment charge				83,500,000
Indefinite-lived intangible assets impairment	(0.0)			2,500,000
Revlon Reporting Unit
Goodwill [Line Items]
Goodwill		264,700,000
Elizabeth Arden Skin and Color Reporting Unit
Goodwill [Line Items]
Goodwill	67,400,000	67,400,000		67,400,000
Fragrances Reporting Unit
Goodwill [Line Items]
Goodwill	120,800,000	120,800,000		120,800,000
Mass Portfolio Reporting Unit | Portfolio
Goodwill [Line Items]
Goodwill		0
Goodwill impairment charge		54,300,000
Professional Portfolio Reporting Unit | Portfolio
Goodwill [Line Items]
Goodwill		97,200,000
Goodwill impairment charge	9,600,000	19,600,000
Elizabeth Arden Fragrances Reporting Unit | Elizabeth Arden
Goodwill [Line Items]
Goodwill	22,000,000.0	23,500,000		$ 22,000,000.0
Goodwill impairment charge	1,600,000	25,900,000
Mass Portfolio, Elizabeth Arden Fragrances and Elizabeth Arden Skin and Color Reporting Units | COVID-19
Goodwill [Line Items]
Indefinite-lived intangible assets impairment		$ 24,500,000
Elizabeth Arden Fragrances and Elizabeth Arden Skin And Color Reporting Units | COVID-19
Goodwill [Line Items]
Indefinite-lived intangible assets impairment	$ 8,600,000