EQUITY INVESTMENTS - Narrative (Details) - Wella Business - Subsequent event	Nov. 06, 2021	Oct. 20, 2021
Schedule of Equity Method Investments [Line Items]
Equity method investment, amount sold (percentage)	4.70%	9.40%
Ownership percentage after transaction	25.90%	30.60%
Percentage of convertible preferred stock redeemed for sale of equity method investment	56.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration