LONG-TERM DEBT - Amendment to 2016 Revolving Credit Facility (Details)	Jul. 09, 2018 EUR (€)	Apr. 17, 2018 USD ($) shares	Apr. 12, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Aug. 04, 2016
Debt Instrument [Line Items]
Repayment of principal amount of borrowings outstanding of acquiree		$ 142,000,000
2011 Term Loan
Debt Instrument [Line Items]
Repayment of debt		651,400,000
Acquisition Term Loan
Debt Instrument [Line Items]
Repayment of debt		658,600,000
2016 Term Loan | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Commitment		$ 1,800,000,000.0
Debt term		7 years
Maximum borrowing capacity, additional potential increase if other debt repaid and terminated		$ 400,000,000
Amount by which available liquidity does not exceed principal amount of other debt		$ 200,000,000		$ 200,000,000
Original issue discount percentage		0.50%
Maximum borrowing capacity, base for calculation of potential increase		$ 450,000,000
Maximum borrowing capacity, addition for calculation of potential increase, percentage of pro forma consolidated EBITDA		90.00%
First lien leverage ratio		3.5
Secured leverage ratio		4.25
Equity of first tier foreign subsidiaries in excess of voting equity interests		65.00%
Covenant terms, available amount base, percentage of cumulative consolidated net income		50.00%
Covenant terms, available amount addition		$ 200,000,000
Covenant terms, net debt to consolidated EBITDA ratio		5.0
Mandatory prepayments, percentage of excess cash flow, next fiscal year		50.00%
Mandatory prepayments, step down percentage, achievement one		25.00%
Mandatory prepayments, step down percentage, achievement two		0.00%
2016 Revolving Credit Facility
Debt Instrument [Line Items]
Required liquidity amount				44,100,000
Remaining borrowing capacity				$ 1,000,000
2016 Revolving Credit Facility | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Debt term		5 years
Maximum borrowing capacity, additional potential increase if other debt repaid and terminated		$ 400,000,000
Proceeds from lines of credit		35,000,000
5.75% Senior Notes
Debt Instrument [Line Items]
Stated interest rate				5.75%
6.25% Senior Notes
Debt Instrument [Line Items]
Stated interest rate				6.25%
6.25% Senior Notes | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Aggregate principal amount		$ 450,000,000		$ 450,000,000
Stated interest rate				6.25%			6.25%
Adjusted LIBOR | 2016 Term Loan | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Variable rate floor		0.75%
Basis spread on variable interest rate		3.50%
Alternate base rate | 2016 Term Loan | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Basis spread on variable interest rate		2.50%
Revolving Credit Facility | Tranche B | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Commitment				$ 41,500,000		$ 385,000,000
Line of credit facility, additional borrowing capacity		$ 35,000,000
Calculated borrowing base				41,500,000	$ 40,100,000
Borrowing base calculation, percentage of eligible accounts receivable			10.00%
Unused capacity commitment fee percentage			0.50%
Revolving Credit Facility | Tranche A | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Commitment				400,000,000		$ 350,000,000
Calculated borrowing base				$ 463,500,000
Unused capacity commitment fee percentage			0.25%
Revolving Credit Facility | 2016 Revolving Credit Facility
Debt Instrument [Line Items]
Commitment		400,000,000
Revolving Credit Facility | 2016 Revolving Credit Facility | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Commitment			$ 441,500,000.0
Borrowing base calculation, qualified restricted cash cap			75,000,000
Amount by which available liquidity does not exceed principal amount of other debt			$ 200,000,000
Equity of first tier foreign subsidiaries in excess of voting equity interests			65.00%
Maximum borrowing capacity, potential increase			$ 33,500,000.0
Borrowing base calculation, percentage of eligible accounts receivable			85.00%
Percentage of eligible equipment and real property			75.00%
Borrowing base calculation, eligible real property			$ 40,000,000
Borrowing base capped percentage			105.00%
Covenant terms, liquidity			$ 35,000,000
Covenant terms, percentage of maximum			10.00%
Covenant terms, consolidated fixed charge coverage ratio			100.00%
Covenant terms, liquidity threshold, consecutive business days			20 days
Secured Debt | Asset-Based Term Facility | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Commitment | €	€ 77,000,000
Line of credit facility, additional borrowing capacity | €	€ 43,000,000
Borrowing base calculation, percentage of eligible accounts receivable	85.00%
Secured Debt | Eurocurrency | Asset-Based Term Facility | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Basis spread on variable interest rate	6.50%
Sublimit, letters of credit | 2016 Revolving Credit Facility | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Commitment			$ 100,000,000
Sublimit, swing line loans | 2016 Revolving Credit Facility | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Commitment			$ 70,000,000
Average excess availability, threshold one | Revolving Credit Facility | Alternate base rate | Tranche B | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Basis spread on variable interest rate			1.50%
Average excess availability, threshold one | Revolving Credit Facility | Alternate base rate | Tranche A | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Basis spread on variable interest rate			0.25%
Average excess availability, threshold one | Revolving Credit Facility | Eurocurrency | Tranche B | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Basis spread on variable interest rate			2.50%
Average excess availability, threshold one | Revolving Credit Facility | Eurocurrency | Tranche A | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Basis spread on variable interest rate			1.25%
Average Excess Availability, Threshold Two | Revolving Credit Facility | Alternate base rate | Tranche B | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Basis spread on variable interest rate			1.75%
Average Excess Availability, Threshold Two | Revolving Credit Facility | Alternate base rate | Tranche A | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Basis spread on variable interest rate			0.50%
Average Excess Availability, Threshold Two | Revolving Credit Facility | Eurocurrency | Tranche B | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Basis spread on variable interest rate			2.75%
Average Excess Availability, Threshold Two | Revolving Credit Facility | Eurocurrency | Tranche A | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Basis spread on variable interest rate			1.50%
Average Excess Availability, Threshold Three | Revolving Credit Facility | Alternate base rate | Tranche B | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Basis spread on variable interest rate			2.00%
Average Excess Availability, Threshold Three | Revolving Credit Facility | Alternate base rate | Tranche A | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Basis spread on variable interest rate			0.75%
Average Excess Availability, Threshold Three | Revolving Credit Facility | Eurocurrency | Tranche B | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Basis spread on variable interest rate			3.00%
Average Excess Availability, Threshold Three | Revolving Credit Facility | Eurocurrency | Tranche A | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Basis spread on variable interest rate			1.75%
Secured Debt | Tranche B | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Aggregate principal amount		41,500,000.0
Borrowing base calculation, qualified restricted cash cap		15,000,000
Elizabeth Arden
Debt Instrument [Line Items]
Acquisition, consideration transferred, repurchase and retirement of preferred stock		$ 55,000,000
Acquisition, consideration transferred, repurchase and retirement of preferred stock (in shares) | shares		50,000
Repurchase and retirement of preferred stock, change in control premium		$ 5,000,000
Elizabeth Arden | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Acquisition, consideration transferred, cash on hand		126,700,000
Elizabeth Arden | Elizabeth Arden senior notes
Debt Instrument [Line Items]
Acquisition, consideration transferred, repayment of debt of acquiree		350,000,000
Elizabeth Arden | Elizabeth Arden revolving credit facility
Debt Instrument [Line Items]
Commitment		300,000,000
Elizabeth Arden | Elizabeth Arden Second lien credit facility
Debt Instrument [Line Items]
Acquisition, consideration transferred, repayment of debt of acquiree		$ 25,000,000