RELATED PARTY TRANSACTIONS (Details)									3 Months Ended		4 Months Ended	9 Months Ended		12 Months Ended
	Nov. 30, 2021	Nov. 10, 2021 USD ($) shares	Oct. 20, 2021	Sep. 10, 2021 USD ($) shares	Jun. 30, 2021	Nov. 30, 2020	Jul. 31, 2020 shares	May 26, 2020 shares	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2022 USD ($) renewalTerm	Mar. 31, 2021 USD ($)	Jun. 30, 2021 USD ($)
Related Party Transaction [Line Items]
Expenses														$ 7,600,000
Share-based compensation expense									$ 28,800,000	$ 6,700,000		$ 166,800,000	$ 27,300,000
Sublease income									5,100,000	5,600,000		15,800,000	10,100,000
Transition Services Agreement Fees | Wella Business
Related Party Transaction [Line Items]
Revenue from related parties									15,700,000			86,000,000.0
Related Party Transaction, Other Fees | Wella Business
Related Party Transaction [Line Items]
Revenue from related parties									1,700,000			4,800,000
Wella Business
Related Party Transaction [Line Items]
Long-term payables									72,000,000.0			72,000,000.0
Share-based compensation expense									$ 1,000,000.0	0.0		$ (400,000)	$ 500,000
Wella Business
Related Party Transaction [Line Items]
Equity method investment, amount sold (percentage)	4.70%		9.40%			60.00%
Ownership percentage						40.00%			25.90%			25.90%
Series B Preferred Stock
Related Party Transaction [Line Items]
Conversion of convertible series B preferred stock (in shares) | shares		123,219		285,576
Unpaid preferred stock dividends converted to common stock		$ 1,200,000		$ 26,400,000								$ 1,200,000
Sale of stock, number of shares issued (in shares) | shares							250,000	750,000
Common Class A
Related Party Transaction [Line Items]
Common shares issued upon conversion (in shares) | shares		19,944,701		50,000,088
Common Class A | KKR
Related Party Transaction [Line Items]
Sale of stock, number of shares issued (in shares) | shares		19,944,701		50,000,088
CEO
Related Party Transaction [Line Items]
Contribution agreement, percentage of total number of shares of common stock owed, to be transferred upon vesting					0.50
KKR | Consulting and Advisory Services
Related Party Transaction [Line Items]
Expenses												0		$ 0
Wella Business
Related Party Transaction [Line Items]
Accounts receivable, related parties									$ 81,000,000.0			81,000,000.0
Accounts payable, related parties									26,300,000			26,300,000
Sublease income									$ 3,000,000.0	4,100,000	$ 5,500,000	$ 10,100,000
Wella Business | Transition Services Agreement Fees
Related Party Transaction [Line Items]
Revenue from related parties										40,000,000.0	54,700,000
Wella Business | Related Party Transaction, Other Fees
Related Party Transaction [Line Items]
Revenue from related parties										$ 1,000,000.0	$ 1,600,000
Orveda
Related Party Transaction [Line Items]
License agreement, term (in years)												5 years
License agreement, number of automatic renewals | renewalTerm												2
License agreement, automatic renewal term duration (in years)												5 years