LONG-TERM DEBT - Narrative (Details)	3 Months Ended			9 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	[1]	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	[1]	Jul. 09, 2018 EUR (€)	Jun. 18, 2018 USD ($)	Apr. 17, 2018 USD ($)	Apr. 12, 2018 USD ($)	Dec. 31, 2017 USD ($)	Aug. 04, 2016
Debt Instrument [Line Items]
Current portion of long-term debt	$ 420,300,000			$ 420,300,000							$ 170,200,000
Long-term debt	3,151,700,000			3,151,700,000							2,823,900,000
Amortization of debt issuance costs	3,800,000	$ 2,300,000		9,100,000	$ 6,800,000
2016 Revolving Credit Facility
Debt Instrument [Line Items]
Current portion of long-term debt											152,100,000
Long-term debt	402,200,000			402,200,000							152,100,000
Amortization of debt issuance costs				18,000,000
2016 Term Loan
Debt Instrument [Line Items]
Long-term debt	$ 1,727,400,000			$ 1,727,400,000							1,735,900,000
2018 Senior Line of Credit
Debt Instrument [Line Items]
Stated interest rate	8.00%			8.00%
5.75% Senior Notes
Debt Instrument [Line Items]
Long-term debt	$ 496,200,000			$ 496,200,000							495,100,000
Stated interest rate	5.75%			5.75%
6.25% Senior Notes
Debt Instrument [Line Items]
Long-term debt	$ 441,100,000			$ 441,100,000							440,300,000
Stated interest rate	6.25%			6.25%
Original 5.75% Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount	$ 500,000,000			$ 500,000,000
Revlon Consumer Products Corporation | 2016 Term Loan
Debt Instrument [Line Items]
Current portion of long-term debt											18,100,000
Amount by which available liquidity does not exceed principal amount of other debt	200,000,000			200,000,000					$ 200,000,000
Line of credit facility, amount outstanding	1,764,000,000			1,764,000,000
Commitment									1,800,000,000.0
Revlon Consumer Products Corporation | 2018 Senior Line of Credit
Debt Instrument [Line Items]
Amount outstanding	11,000,000			11,000,000
Commitment	$ 50,000,000			$ 50,000,000
Revlon Consumer Products Corporation | 6.25% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	6.25%			6.25%								6.25%
Aggregate principal amount	$ 450,000,000			$ 450,000,000					450,000,000
Revolving Credit Facility | 2016 Revolving Credit Facility
Debt Instrument [Line Items]
Commitment									$ 400,000,000
Revolving Credit Facility | Revlon Consumer Products Corporation | Tranche A And B of 2016 Revolving Credit Facility
Debt Instrument [Line Items]
Amount outstanding	408,300,000			408,300,000
Commitment	441,500,000			441,500,000
Revolving Credit Facility | Revlon Consumer Products Corporation | 2016 Revolving Credit Facility
Debt Instrument [Line Items]
Amount by which available liquidity does not exceed principal amount of other debt										$ 200,000,000
Commitment										441,500,000.0
Secured Debt | Revlon Consumer Products Corporation | Asset-Based Term Facility
Debt Instrument [Line Items]
Commitment | €							€ 77,000,000
Unsecured Debt | Revlon Consumer Products Corporation | 2018 Senior Line of Credit
Debt Instrument [Line Items]
Amount outstanding	11,000,000			11,000,000
Line of credit facility, amount outstanding	11,000,000			11,000,000
Commitment								$ 50,000,000
Sublimit, letters of credit | Revlon Consumer Products Corporation | 2016 Revolving Credit Facility
Debt Instrument [Line Items]
Commitment										$ 100,000,000
Standby and trade letters of credit for various corporate purposes	$ 10,100,000			$ 10,100,000							$ 10,100,000

[1] Adjusted as a result of the adoption of certain accounting pronouncements during 2018. See Note 1, "Description of Business and Summary of Significant Accounting Policies - Recently Adopted Accounting Pronouncements," for details of these adjustments.