RELATED PARTY TRANSACTIONS (Details) $ in Millions				7 Months Ended	12 Months Ended
	Nov. 30, 2021	Nov. 10, 2021 USD ($) shares	Oct. 20, 2021	Jun. 30, 2021 USD ($)	Jun. 30, 2023 USD ($) jurisdiction shares	Jun. 30, 2022 USD ($) shares	Jun. 30, 2021 USD ($)	Jun. 30, 2020 director	Nov. 30, 2020	Nov. 16, 2020 shares
Related Party Transaction [Line Items]
Preferred stock, shares issued (in shares) | shares					1,000,000.0	1,500,000
Accounts receivable					$ 360.9	$ 364.6
Accounts payable					1,444.7	1,268.3
Long-term payables					325.4	340.0
Total share-based compensation expense					137.6	197.8	$ 28.4
Sublease income					15.8	20.0	14.9
Wella Company
Related Party Transaction [Line Items]
Unearned contingent proceeds received, advance payment					$ 30.8	0.7
Unearned contingent proceeds received, remaining amount						$ 2.5
Wella Company
Related Party Transaction [Line Items]
Equity method investment, amount sold (percentage)	4.70%		9.40%
Ownership percentage					25.90%	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
Unpaid preferred stock dividends converted to common stock		$ 1.2
Common Class A
Related Party Transaction [Line Items]
Common shares issued upon conversion (in shares) | shares		19,944,701
Sale of stock, number of shares issued (in shares) | shares		19,944,701
Wella Company | Other noncurrent Liabilities
Related Party Transaction [Line Items]
Long-term payables					$ 33.0
Wella Company | Accrued Expenses And Other Current Liabilities
Related Party Transaction [Line Items]
Long-term payables					$ 0.8
JAB Partners LLP
Related Party Transaction [Line Items]
Lessee, operating lease, remaining lease term					8 years
JAB Partners LLP | Performance Guarantee
Related Party Transaction [Line Items]
Maximum potential future payments					$ 4.1
JAB Beauty 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	$ 0.0	7.6
Wella Company
Related Party Transaction [Line Items]
Accounts receivable					70.6
Accounts payable					8.3
Total share-based compensation expense					4.6	0.7	2.3
Sublease income					9.1	13.3	9.1
Wella Company | Management, Consulting and Financial Services
Related Party Transaction [Line Items]
Expenses					2.7	0.0	0.0
Wella Company | Transition Services Agreement Fees
Related Party Transaction [Line Items]
Revenue from related party				$ 86.6	3.3	87.5
Wella Company | Related Party Transaction, Other Fees
Related Party Transaction [Line Items]
Revenue from related party				$ 3.4	$ 7.6	6.7
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
Russell Reynolds Associates | Recruiting Services
Related Party Transaction [Line Items]
Expenses					$ 0.9	$ 0.7	$ 2.3