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Litigation and other contingencies (Details) - 3 months ended Sep. 28, 2025 $ in Millions, $ in Millions | USD ($) | CAD ($)
--- | --- | ---
Selling, general and administrative expense |  |
Disclosure of contingent liabilities [line items] |  |
Financial award, inclusive of legal costs | $ 32.0 | $ 43.8

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- Definition Legal Settlement, Financial Award Inclusive of Legal Costs + References No definition available. + Details
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Namespace Prefix: | goos_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis=ifrs-full_SellingGeneralAndAdministrativeExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |