DEBT - Narrative (Details)										3 Months Ended		9 Months Ended
	Oct. 05, 2023 USD ($)	Aug. 03, 2023 USD ($)	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 ($)	Mar. 31, 2024 USD ($) fiscalQuarter	Mar. 31, 2023 USD ($)	Mar. 31, 2024 USD ($) fiscalQuarter	Mar. 31, 2023 USD ($)	Dec. 07, 2023 USD ($)	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										$ 1,500,000		$ 1,500,000						$ 0
Long-term debt										3,965,800,000		3,965,800,000
Deferred financing fees write-offs										0.0	$ 0.0	7,400,000	$ 800,000
Debt discount capitalized										$ 0.0	$ 0.0	$ 40,400,000	$ 0.0
Line of Credit
Debt Instrument [Line Items]
Total net leverage ratio, material acquisition, number of fiscal quarters | fiscalQuarter										4		4
Total net leverage ratio, after material acquisition | fiscalQuarter										2		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%
Redemption price, percentage									101.00%
2026 Dollar Notes | Cash Tender Offers
Debt Instrument [Line Items]
Long-term debt														$ 150,000,000.0					$ 77,000,000.0
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 Senior Secured Notes | Cash Tender Offers
Debt Instrument [Line Items]
Long-term debt														$ 250,000,000.0
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
Brazilian Credit Facilities
Debt Instrument [Line Items]
Repayments of long-term debt	$ 31,900,000
2026 Dollar Senior Secured Notes due April 2026 | Senior Unsecured Notes
Debt Instrument [Line Items]
Long-term debt										$ 650,000,000.0		$ 650,000,000.0						900,000,000.0
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
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]
Long-term debt										754,300,000		754,300,000						761,000,000.0
Debt Instrument, face amount | €							€ 700,000,000
Interest rate, stated percentage							3.875%
Proceeds from issuance of senior long-term debt | €							€ 700,000,000
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]
Long-term debt										500,000,000.0		500,000,000.0						500,000,000.0
Debt Instrument, face amount						$ 500,000,000.0
Interest rate, stated percentage						4.75%
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										538,800,000		$ 538,800,000						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		$ 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
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 | Cash Tender Offers
Debt Instrument [Line Items]
Long-term debt																			$ 72,200,000	€ 69,700,000
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%
Letter of Credit
Debt Instrument [Line Items]
Undrawn letters of credit and bank guarantees										4,100,000		$ 4,100,000						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										$ 21,100,000		$ 21,100,000						$ 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