RESTRUCTURING CHARGES - Restructuring and Related Charges by Segment (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 44.8
Revlon 2020 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Cumulative charges incurred	61.2
2018 Optimization Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	0.1
Cumulative charges incurred	39.6	$ 39.5
Operating segments | Revlon 2020 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Cumulative charges incurred	45.6
Operating segments | 2018 Optimization Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	(0.6)
Cumulative charges incurred	20.0
Operating segments | Revlon | Revlon 2020 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Cumulative charges incurred	17.9
Operating segments | Revlon | 2018 Optimization Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	(0.3)
Cumulative charges incurred	8.5
Operating segments | Elizabeth Arden | Revlon 2020 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Cumulative charges incurred	10.0
Operating segments | Elizabeth Arden | 2018 Optimization Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	(0.1)
Cumulative charges incurred	4.2
Operating segments | Portfolio | Revlon 2020 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Cumulative charges incurred	10.6
Operating segments | Portfolio | 2018 Optimization Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	(0.1)
Cumulative charges incurred	3.9
Operating segments | Fragrance | Revlon 2020 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Cumulative charges incurred	7.1
Operating segments | Fragrance | 2018 Optimization Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	(0.1)
Cumulative charges incurred	$ 3.4