PENSION AND POST-RETIREMENT BENEFITS - Summary of Unrecognized Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss	$ 270.2
Prior service cost	0.0
Accumulated Other Comprehensive Loss, Gross	270.2
Income tax (benefit) expense	(44.7)
Portion allocated to Revlon Holdings	(1.1)
Accumulated other comprehensive loss, net	224.4
Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss	266.6
Prior service cost	0.0
Accumulated Other Comprehensive Loss, Gross	266.6	$ 258.0
Income tax (benefit) expense	(44.3)	(41.9)
Portion allocated to Revlon Holdings	(0.9)	(0.9)
Accumulated other comprehensive loss, net	221.4	215.2
Other Post-Retirement Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss	3.6
Prior service cost	0.0
Accumulated Other Comprehensive Loss, Gross	3.6	2.8
Income tax (benefit) expense	(0.4)	(0.1)
Portion allocated to Revlon Holdings	(0.2)	(0.2)
Accumulated other comprehensive loss, net	$ 3.0	$ 2.5