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EQUITY INVESTMENTS - Summary of Significant Unobservable Inputs Used in Level 3 Valuation (Details) - Wella Company $ in Millions | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($)
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Debt and Equity Securities, FV-NI [Line Items] |  |
Equity investments at fair value | $ 1,002.0 | $ 1,085.0
Level 3 |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Equity investments at fair value | $ 1,002.0 |
Level 3 | Discount rate | Discounted cash flows |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Unobservable input | 0.0925 |
Level 3 | Growth rate | Discounted cash flows | Minimum |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Unobservable input | 0.018 |
Level 3 | Growth rate | Discounted cash flows | Maximum |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Unobservable input | 0.060 |
Level 3 | Revenue multiple | Market multiple | Minimum |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Unobservable input | 2.0 |
Level 3 | Revenue multiple | Market multiple | Maximum |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Unobservable input | 2.1 |
Level 3 | EBITDA multiple | Market multiple | Minimum |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Unobservable input | 9.3 |
Level 3 | EBITDA multiple | Market multiple | Maximum |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Unobservable input | 10.2 |

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