EQUITY INVESTMENTS - Summary of Movement in Equity Investments (Details) $ in Millions	12 Months Ended
Jun. 30, 2025 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 losses included in earnings
Wella Company
Equity investments at fair value:
Balance as of June 30, 2024	$ 1,085.0
Total losses included in earnings	(83.0)
Balance as of June 30, 2025	$ 1,002.0

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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