DEBT - 2018 Coty Credit Agreement (Details)				12 Months Ended
	Jun. 27, 2019 USD ($)	Jun. 26, 2019	Apr. 05, 2018 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Apr. 29, 2020 USD ($)	Apr. 05, 2018 EUR (€)
Line of Credit Facility [Line Items]
Deferred financing fees write-off				$ 0.0	$ 0.0	$ 2,000,000.0
Line of Credit
Line of Credit Facility [Line Items]
Deferred financing fees write-off				$ 0.0	$ 0.0	$ 8,700,000
Covenant, quarterly minimum liquidity							$ 350,000,000.0
2018 Coty Revolving Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Borrowing capacity	$ 2,750,000,000.0
Decrease in maximum borrowing capacity	500,000,000.0
Deferred financing fees write-off	$ 3,800,000
Covenant, quarterly minimum liquidity							$ 350,000,000.0
2018 Coty Revolving Credit Facility | Line of Credit | Revolving credit facility
Line of Credit Facility [Line Items]
Borrowing capacity			$ 3,250,000,000.0
2018 Coty Revolving Credit Facility | Line of Credit | Letter of credit
Line of Credit Facility [Line Items]
Borrowing capacity			150,000,000.0
2018 Coty Revolving Credit Facility | Line of Credit | Swingline loans
Line of Credit Facility [Line Items]
Borrowing capacity			150,000,000.0
2018 Coty Revolving Credit Facility | Line of Credit | Incurrence Incremental Facilities
Line of Credit Facility [Line Items]
Borrowing capacity			$ 1,700,000,000.0
Total net leverage ratio			3.00
2018 Coty Term A Facility [Member]
Line of Credit Facility [Line Items]
Borrowing capacity | €								€ 2,035,000,000.0
2018 Coty Term A Facility [Member] | Line of Credit
Line of Credit Facility [Line Items]
Borrowing capacity			$ 1,000,000,000.0
2018 Coty Term B Facility [Member]
Line of Credit Facility [Line Items]
Borrowing capacity | €								€ 850,000,000.0
2018 Coty Term B Facility [Member] | Line of Credit
Line of Credit Facility [Line Items]
Borrowing capacity			$ 1,400,000,000.0
Discount percentage			0.25%					0.25%
3/31/2022 | 2018 Coty Revolving Credit Facility | Line of Credit | Incurrence Incremental Facilities
Line of Credit Facility [Line Items]
Total net leverage ratio	5.0	5.25