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Secondment Agreement, Service Period, Minimum

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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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Amount of income (expense) related to nonoperating activities, classified as other.

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The total amount of other operating income, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation.

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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.

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RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Millions			3 Months Ended		6 Months Ended
	Dec. 18, 2025	Oct. 01, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Related Party Transaction [Line Items]
Gain on sale			$ (275.4)	$ (157.2)	$ (306.7)	$ (200.5)
Selling, general and administrative expenses			$ 842.5	797.3	$ 1,636.0	1,605.3
Wella Company
Related Party Transaction [Line Items]
Equity method investment, amount sold (percentage)	25.80%
JAB Partners LLP
Related Party Transaction [Line Items]
Remaining lease term			5 years		5 years
Minimum service period		1 year
Selling, general and administrative expenses					$ 0.3
Accrued liabilities			$ 0.3		0.3
JAB Partners LLP \| Performance Guarantee
Related Party Transaction [Line Items]
Loss contingency, estimate of possible loss			2.9		2.9
Wella Company \| Related Party Transaction, Other Fees
Related Party Transaction [Line Items]
Gain on sale			0.4	0.4	0.7	0.7
Revenue from related parties			$ 1.0	$ 1.6	$ 2.6	$ 3.0