GOODWILL AND INTANGIBLE ASSETS, NET - Changes in Goodwill by Segment (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 563.7
Ending Balance	563.2
Operating segments
Goodwill [Roll Forward]
Beginning Balance	563.7
Foreign currency translation adjustment	(0.5)
Ending Balance	563.2
Cumulative goodwill impairment charges	(166.2)
Operating segments | Revlon
Goodwill [Roll Forward]
Beginning Balance	265.4
Foreign currency translation adjustment	(0.2)
Ending Balance	265.2
Operating segments | Portfolio
Goodwill [Roll Forward]
Beginning Balance	87.9
Foreign currency translation adjustment	(0.1)
Ending Balance	87.8
Operating segments | Elizabeth Arden
Goodwill [Roll Forward]
Beginning Balance	89.5
Foreign currency translation adjustment	(0.1)
Ending Balance	89.4
Operating segments | Fragrance
Goodwill [Roll Forward]
Beginning Balance	120.9
Foreign currency translation adjustment	(0.1)
Ending Balance	$ 120.8