RELATED PARTY TRANSACTIONS (Details)								7 Months Ended	12 Months Ended
	Nov. 30, 2021	Nov. 10, 2021 USD ($) shares	Nov. 06, 2021	Oct. 20, 2021	Sep. 10, 2021 USD ($) shares	Jul. 31, 2020 shares	May 26, 2020 shares	Jun. 30, 2021 USD ($) shares	Jun. 30, 2022 USD ($) jurisdiction shares	Jun. 30, 2021 USD ($) shares	Jun. 30, 2020 USD ($) director	Nov. 30, 2020	Nov. 16, 2020 shares
Related Party Transaction [Line Items]
Preferred stock, shares issued (in shares) | shares								1,500,000	1,500,000	1,500,000
Total share-based compensation expense									$ 197,800,000	$ 28,400,000	$ 42,200,000
Sublease income									$ 20,000,000.0	14,900,000	$ 4,800,000
Wella Company
Related Party Transaction [Line Items]
Equity method investment, amount sold (percentage)	4.70%		4.70%	9.40%
Ownership percentage									25.90%			40.00%
Convertible 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
Sale of stock, number of shares issued (in shares) | shares		19,944,701
Wella Company
Related Party Transaction [Line Items]
Long-term payables									$ 72,300,000
JAB Partners LLP
Related Party Transaction [Line Items]
Lessee, operating lease, remaining lease term									9 years
JAB Partners LLP | Performance Guarantee
Related Party Transaction [Line Items]
Maximum potential future payments									$ 4,500,000
Cottage Holdco B.V. | Chief Executive Officer
Related Party Transaction [Line Items]
Portion of equity award to be contributed by related party									0.5
KKR
Related Party Transaction [Line Items]
Number of directors designated by related party | director											2
KKR | Convertible Series B Preferred Stock | HFS Holdings S.á r.l.
Related Party Transaction [Line Items]
Preferred stock, shares issued (in shares) | shares													146,057
KKR | Issuance and Closing of Convertible Preferred Stock
Related Party Transaction [Line Items]
Expenses									$ 0.0	7,600,000	$ 25,500,000
KKR | Consulting and Advisory Services
Related Party Transaction [Line Items]
Expenses									0	0	0
Wella Company
Related Party Transaction [Line Items]
Accounts receivable, related party									70,200,000
Accounts payable, related party									4,700,000
Total share-based compensation expense									700,000	2,300,000
Sublease income								$ 9,100,000	13,300,000
Wella Company | Transition Services Agreement Fees
Related Party Transaction [Line Items]
Revenue from related party								86,600,000	87,500,000
Wella Company | Related Party Transaction, Other Fees
Related Party Transaction [Line Items]
Revenue from related party								$ 3,400,000	$ 6,700,000
Orveda
Related Party Transaction [Line Items]
License agreement, term (in years)									5 years
License agreement, number of automatic renewals | jurisdiction									2
License agreement, automatic renewal term duration (in years)									5 years
Affiliates Of JAB Partners LLP | Digital Media Services
Related Party Transaction [Line Items]
Expenses											1,000,000.0
Russell Reynolds Associates | Recruiting Services
Related Party Transaction [Line Items]
Expenses									$ 700,000	$ 2,300,000	600,000
Jacobs Douwe Egberts B.V. | Expense Reimbursement Secondment Agreement
Related Party Transaction [Line Items]
Expenses											$ 600,000