DEBT - Schedule of Fair Value of Debt (Details) - USD ($) $ in Millions	Sep. 30, 2021	Jun. 30, 2021
2026 Senior Secured Notes | Carrying Amount
Debt Instrument [Line Items]
Fair value of debt	$ 1,712.2	$ 1,733.3
2026 Senior Secured Notes | Fair Value
Debt Instrument [Line Items]
Fair value of debt	1,755.9	1,749.1
2018 Coty Credit Agreement | Carrying Amount
Debt Instrument [Line Items]
Fair value of debt	2,141.4	2,245.7
2018 Coty Credit Agreement | Fair Value
Debt Instrument [Line Items]
Fair value of debt	2,094.0	2,188.5
Senior Unsecured Notes | Carrying Amount
Debt Instrument [Line Items]
Fair value of debt	1,478.3	1,502.3
Senior Unsecured Notes | Fair Value
Debt Instrument [Line Items]
Fair value of debt	$ 1,502.3	$ 1,500.5