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Revenue Recognition, Sales returns as a percentage of gross revenues, percent

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[Line Items] for Significant Accounting Policies [Table]

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction.

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Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform.

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Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Indicates line item in statement of income or comprehensive income that includes incurred restructuring and related costs.

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) € in Millions, $ in Millions	1 Months Ended				12 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2023 EUR (€)	Dec. 31, 2022 USD ($)	Dec. 31, 2022 EUR (€)	Jun. 30, 2024 USD ($)	Jun. 30, 2024 EUR (€)	Jun. 30, 2023 USD ($)	Jun. 30, 2023 EUR (€)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)
Significant Accounting Policies [Line Items]
Restricted cash	$ 36.9						$ 36.9		$ 30.5
Sales returns, percentage							2.00%	2.00%	2.00%	2.00%
Trade spending activities, percentage							10.00%	10.00%	10.00%	10.00%
Advertising expense							$ 1,479.6		$ 1,465.1	$ 1,029.4
Research and development expense							105.2		97.3	96.5
Net (losses) gains from foreign currency exchange transactions							(29.9)		16.8	(26.7)
Termination payments	$ 38.3	€ 35.3	$ 55.6	€ 52.5
Selling, general and administrative expenses							2,818.3		2,881.3	2,363.2
Asset impairment charges							$ 0.0		31.4	0.0
Restructuring, Incurred Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]							Restructuring costs	Restructuring costs
Russia Market Exit
Significant Accounting Policies [Line Items]
Net deferred income tax (liability) asset									83.6
Selling, general and administrative expenses									45.5
Asset impairment charges									31.4
Restructuring costs									6.3
Inventory write-down									0.4
Income tax charges							$ 0.4		24.1
Net deferred income tax (liability) asset							17.0
Lacoste
Significant Accounting Policies [Line Items]
Termination payments							93.9	€ 87.8
Gain on selling, general and administrative expenses from contract termination							104.4
Lacoste \| Scenario, Forecast
Significant Accounting Policies [Line Items]
Termination payments					$ 16.3	€ 15.0
Operating Income (Loss)
Significant Accounting Policies [Line Items]
Net (losses) gains from foreign currency exchange transactions							(32.3)		3.3	(7.8)
Interest Expense, Net and Other Expense (Income), Net
Significant Accounting Policies [Line Items]
Net (losses) gains from foreign currency exchange transactions							$ (12.2)		10.0	(6.8)
Store fixtures \| Minimum
Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life	3 years						3 years
Store fixtures \| Maximum
Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life	5 years						5 years
Marketing furniture and fixtures
Significant Accounting Policies [Line Items]
Depreciation and amortization							$ 103.0		$ 119.4	$ 130.3
Marketing furniture and fixtures \| Minimum
Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life	3 years						3 years
Marketing furniture and fixtures \| Maximum
Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life	5 years						5 years