EQUITY INVESTMENTS - Summary of Significant Unobservable Inputs Used in Level 3 Valuation (Details) - Wella Business $ in Millions	Jun. 30, 2021 USD ($)	Nov. 30, 2020 USD ($)
Debt and Equity Securities, FV-NI [Line Items]
Equity investments at fair value	$ 1,260.0	$ 1,634.5
Level 3
Debt and Equity Securities, FV-NI [Line Items]
Equity investments at fair value	$ 1,260.0
Level 3 | Discount rate | Discounted cash flows
Debt and Equity Securities, FV-NI [Line Items]
Unobservable input	0.1100
Level 3 | Growth rate | Discounted cash flows | Minimum
Debt and Equity Securities, FV-NI [Line Items]
Unobservable input	0.015
Level 3 | Growth rate | Discounted cash flows | Maximum
Debt and Equity Securities, FV-NI [Line Items]
Unobservable input	0.042
Level 3 | Revenue multiple | Market multiple
Debt and Equity Securities, FV-NI [Line Items]
Unobservable input	2.0
Level 3 | EBITDA multiple | Market multiple | Minimum
Debt and Equity Securities, FV-NI [Line Items]
Unobservable input	12.5
Level 3 | EBITDA multiple | Market multiple | Maximum
Debt and Equity Securities, FV-NI [Line Items]
Unobservable input	15.5