LONG-TERM DEBT - Narrative (Details) - USD ($)	3 Months Ended			6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	[1]	Jun. 30, 2018	Jun. 30, 2017	[1]	Jun. 18, 2018	Apr. 17, 2018	Apr. 12, 2018	Dec. 31, 2017	Aug. 04, 2016
Debt Instrument [Line Items]
Current portion of long-term debt	$ 388,000,000			$ 388,000,000						$ 170,200,000
Long-term debt	3,037,300,000			3,037,300,000						2,823,900,000
Amortization of debt issuance costs	3,000,000	$ 2,300,000		5,300,000	$ 4,500,000
2016 Revolving Credit Facility
Debt Instrument [Line Items]
Current portion of long-term debt										152,100,000
Long-term debt	369,900,000			369,900,000						152,100,000
Amortization of debt issuance costs				18,000,000
2016 Term Loan
Debt Instrument [Line Items]
Long-term debt	$ 1,730,200,000			$ 1,730,200,000						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	$ 495,800,000			$ 495,800,000						495,100,000
Stated interest rate	5.75%			5.75%
6.25% Senior Notes
Debt Instrument [Line Items]
Long-term debt	$ 440,900,000			$ 440,900,000						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	$ 1,768,500,000			$ 1,768,500,000
Maximum borrowing capacity								1,800,000,000.0
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]
Maximum borrowing capacity								$ 400,000,000
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
Maximum borrowing capacity									441,500,000.0
Unsecured Debt | Revlon Consumer Products Corporation | 2018 Senior Line of Credit
Debt Instrument [Line Items]
Line of credit facility, amount outstanding	15,000,000			15,000,000
Maximum borrowing capacity							$ 50,000,000
Sublimit, letters of credit | Revlon Consumer Products Corporation | 2016 Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity									$ 100,000,000
Standby and trade letters of credit for various corporate purposes	$ 9,800,000			$ 9,800,000						$ 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.