EQUITY INVESTMENT - Schedule of equity investments (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 18, 2025 |
Jun. 30, 2025 |
Mar. 31, 2026 |
|
| Debt and Equity Securities, FV-NI [Line Items] | |||
| Equity investment | $ 1,002.0 | $ 0.0 | |
| Wella Company | |||
| Debt and Equity Securities, FV-NI [Line Items] | |||
| Equity investment | $ 1,002.0 | $ 0.0 | |
| Equity method investment, amount sold (percentage) | 25.80% | 25.84% |