DEBT - Narrative (Details)									3 Months Ended
	Aug. 03, 2023 USD ($)	Aug. 03, 2023 EUR (€)	Jul. 26, 2023 USD ($)	Jul. 11, 2023 USD ($) tranche	Nov. 30, 2021 USD ($)	Jun. 16, 2021 EUR (€)	Apr. 21, 2021 USD ($)	Apr. 05, 2018 USD ($)	Sep. 30, 2023 USD ($) fiscalQuarter	Sep. 30, 2022 USD ($)	Sep. 19, 2023 USD ($)	Sep. 19, 2023 EUR (€)	Jul. 26, 2023 EUR (€)	Jul. 11, 2023 EUR (€) tranche	Jun. 30, 2023 USD ($)	Dec. 07, 2022 USD ($)	Dec. 07, 2022 EUR (€)	Apr. 05, 2018 EUR (€)
Debt Instrument [Line Items]
Short-term debt									$ 6,000,000.0						$ 0
Long-term debt									4,199,700,000
Deferred financing fees write-offs									5,200,000	$ 0.0
Debt discount capitalized									$ 40,400,000	$ 0.0
Line of Credit
Debt Instrument [Line Items]
Total net leverage ratio, material acquisition, number of fiscal quarters | fiscalQuarter									4
Total net leverage ratio, after material acquisition | fiscalQuarter									2
Line of Credit | Maximum
Debt Instrument [Line Items]
Applicable leverage ratio following the closing of any material acquisition									5.95
Line of Credit | Minimum
Debt Instrument [Line Items]
Applicable leverage ratio following the closing of any material acquisition									1.00
Senior Unsecured Notes
Debt Instrument [Line Items]
Interest rate, stated percentage											5.75%	5.75%
Redemption price, percentage								101.00%
2018 Coty Credit Agreement | Line of Credit
Debt Instrument [Line Items]
Debt refinancing				$ 2,000,000,000
Number of tranches | tranche				2										2
Credit spread adjustment				0.10%
2018 Coty Credit Agreement | Line of Credit | Refinancing in Dollars and Certain Other Currencies
Debt Instrument [Line Items]
Aggregate principal amount				$ 1,670,000,000
2018 Coty Credit Agreement | Line of Credit | Refinancing in Euros
Debt Instrument [Line Items]
Aggregate principal amount | €														€ 300,000,000
2030 Dollar Senior Secured Notes, Due April 2030 | Senior Unsecured Notes
Debt Instrument [Line Items]
Debt Instrument, face amount			$ 750,000,000.0
Interest rate, stated percentage			6.625%										6.625%
Proceeds from issuance of senior long-term debt			$ 740,600,000
2018 Coty Term B Facility, Dollar Portion
Debt Instrument [Line Items]
Long-term debt			715,500,000
2018 Coty Term B Facility, Euro Portion
Debt Instrument [Line Items]
Long-term debt			$ 25,100,000										€ 22,600,000
2028 Euro Senior Secured Notes
Debt Instrument [Line Items]
Debt Instrument, face amount											$ 493,800,000
2028 Euro Senior Secured Notes | Senior Unsecured Notes
Debt Instrument [Line Items]
Debt Instrument, face amount | €												€ 500,000,000
Term Loan B Facility, Due April 2025 | Line of Credit
Debt Instrument [Line Items]
Repayments of debt	$ 446,100,000	€ 408,000,000
2026 Dollar Senior Secured Notes due April 2026 | Senior Unsecured Notes
Debt Instrument [Line Items]
Debt Instrument, face amount							$ 900,000,000.0
Interest rate, stated percentage							5.00%
Proceeds from issuance of senior long-term debt							$ 900,000,000.0
Long-term debt									$ 900,000,000.0						900,000,000.0
Debt instrument, early redemption premium, percent of outstanding principal amount							1.00%
Debt instrument, base redemption price, percentage							100.00%
2026 Dollar Senior Secured Notes due April 2026 | Senior Unsecured Notes | Bund Rate
Debt Instrument [Line Items]
Basis spread on variable rate, percentage							0.50%
2026 Euro Senior Secured Notes due April 2026 | Senior Unsecured Notes
Debt Instrument [Line Items]
Debt Instrument, face amount | €						€ 700,000,000
Interest rate, stated percentage						3.875%
Proceeds from issuance of senior long-term debt | €						€ 700,000,000
Long-term debt									740,300,000						761,000,000.0
Debt instrument, early redemption premium, percent of outstanding principal amount						1.00%
Debt instrument, base redemption price, percentage						100.00%
2026 Euro Senior Secured Notes due April 2026 | Senior Unsecured Notes | US Treasury (UST) Interest Rate
Debt Instrument [Line Items]
Basis spread on variable rate, percentage						0.50%
2029 Dollar Senior Secured Notes due January 2029
Debt Instrument [Line Items]
Proceeds from issuance of senior long-term debt					$ 500,000,000.0
2029 Dollar Senior Secured Notes due January 2029 | Senior Unsecured Notes
Debt Instrument [Line Items]
Debt Instrument, face amount					$ 500,000,000.0
Interest rate, stated percentage					4.75%
Long-term debt									500,000,000.0						500,000,000.0
Debt instrument, early redemption premium, percent of outstanding principal amount					1.00%
Debt instrument, base redemption price, percentage					100.00%
2029 Dollar Senior Secured Notes due January 2029 | Senior Unsecured Notes | US Treasury (UST) Interest Rate
Debt Instrument [Line Items]
Basis spread on variable rate, percentage					0.50%
2028 Euro Senior Secured Notes due September 2028 | Senior Unsecured Notes
Debt Instrument [Line Items]
Long-term debt									$ 528,800,000						0
Debt instrument, early redemption premium, percent of outstanding principal amount									1.00%
Debt instrument, base redemption price, percentage									100.00%
2028 Euro Senior Secured Notes due September 2028 | Senior Unsecured Notes | US Treasury (UST) Interest Rate
Debt Instrument [Line Items]
Basis spread on variable rate, percentage									0.50%
2030 Dollar Senior Secured Notes due July 2030 | Senior Unsecured Notes
Debt Instrument [Line Items]
Long-term debt									$ 750,000,000.0						0
Debt instrument, early redemption premium, percent of outstanding principal amount									1.00%
Debt instrument, base redemption price, percentage									100.00%
2030 Dollar Senior Secured Notes due July 2030 | Senior Unsecured Notes | US Treasury (UST) Interest Rate
Debt Instrument [Line Items]
Basis spread on variable rate, percentage									0.50%
2018 Coty Term A Facility
Debt Instrument [Line Items]
Aggregate principal amount | €																		€ 2,035,000,000
2018 Coty Term A Facility | Line of Credit
Debt Instrument [Line Items]
Aggregate principal amount								$ 1,000,000,000
2018 Coty Term B Facility
Debt Instrument [Line Items]
Aggregate principal amount | €																		€ 850,000,000
2018 Coty Term B Facility | Line of Credit
Debt Instrument [Line Items]
Aggregate principal amount								1,400,000,000
2026 Dollar Notes | Senior Unsecured Notes
Debt Instrument [Line Items]
Debt Instrument, face amount								$ 550,000,000.0
Interest rate, stated percentage								6.50%										6.50%
2026 Dollar Notes | Cash Tender Offers
Debt Instrument [Line Items]
Long-term debt																$ 77,000,000.0
2023 Euro Notes | Senior Unsecured Notes
Debt Instrument [Line Items]
Debt Instrument, face amount | €																		€ 550,000,000
Interest rate, stated percentage								4.00%										4.00%
2026 Euro Notes | Senior Unsecured Notes
Debt Instrument [Line Items]
Debt Instrument, face amount | €																		€ 250,000,000
Interest rate, stated percentage								4.75%										4.75%
2026 Euro Notes | Cash Tender Offers
Debt Instrument [Line Items]
Long-term debt																$ 72,200,000	€ 69,700,000
Letter of Credit
Debt Instrument [Line Items]
Undrawn letters of credit and bank guarantees									$ 6,800,000						7,200,000
Letter of Credit | 2023 Coty Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Aggregate principal amount								$ 150,000,000.0
Bank Guarantee
Debt Instrument [Line Items]
Undrawn letters of credit and bank guarantees									$ 18,500,000						$ 16,300,000
Swingline loans | 2023 Coty Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Aggregate principal amount								150,000,000.0
Incurrence Incremental Facilities | 2023 Coty Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Aggregate principal amount								$ 1,700,000,000
Net leverage ratio								3.00