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RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Jun. 30, 2025
Related Party Transaction [Line Items]
Gain on sale	$ (31.3)	$ (43.3)
Accounts receivable, related parties	755.1		$ 526.4
Other noncurrent liabilities	472.7		$ 485.1
Share-based compensation expense (income)	14.5	17.0
Sublease income	2.8	3.6
Wella Company \| Other Noncurrent Liabilities
Related Party Transaction [Line Items]
Other noncurrent liabilities	$ 35.2
Wella Company
Related Party Transaction [Line Items]
Ownership percentage	25.84%		25.84%
JAB Partners LLP
Related Party Transaction [Line Items]
Remaining lease term	6 years
JAB Partners LLP \| Performance Guarantee
Related Party Transaction [Line Items]
Loss contingency, estimate of possible loss	$ 3.1
Wella Company
Related Party Transaction [Line Items]
Gain on sale	0.4	0.3
Accounts receivable, related parties	41.5
Accounts payable, related parties	0.4
Share-based compensation expense (income)	0.0	0.4
Sublease income	1.3	2.1
Wella Company \| Related Party Transaction, Other Fees
Related Party Transaction [Line Items]
Gain on sale	3.4	0.9
Revenue from related parties	$ 1.6	$ 1.4