EQUITY INVESTMENTS - Summary of Movement in Equity Investments (Details) $ in Millions	12 Months Ended
Jun. 30, 2024 USD ($)
Equity investments at fair value:
Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Income Extensible List Not Disclosed Flag	Total gains/(losses) included in earnings
Wella Company
Equity investments at fair value:
Balance as of June 30, 2023	$ 1,060.0
Total gains/(losses) included in earnings	25.0
Balance as of June 30, 2024	$ 1,085.0

Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

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