EQUITY INVESTMENT - Schedule of significant unobservable inputs used in Level 3 valuation (Details) - Wella Company $ in Millions	Sep. 30, 2025 USD ($)	Jun. 30, 2025 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value	$ 1,003.0	$ 1,002.0
Fair Value, Inputs, Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value	$ 1,003.0
Fair Value, Inputs, Level 3 | Discounted cash flows | Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range	0.0925
Fair Value, Inputs, Level 3 | Discounted cash flows | Growth rate | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range	0.018
Fair Value, Inputs, Level 3 | Discounted cash flows | Growth rate | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range	0.060
Fair Value, Inputs, Level 3 | Market multiple | Revenue multiple | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range	1.9
Fair Value, Inputs, Level 3 | Market multiple | Revenue multiple | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range	2.1
Fair Value, Inputs, Level 3 | Market multiple | EBITDA multiple | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range	9.6
Fair Value, Inputs, Level 3 | Market multiple | EBITDA multiple | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range	10.5