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SIGNIFICANT ACCOUNTING POLICIES SIGNIFICANT ACCOUNTING POLICIES (Inventory valuation) (Details) | Dec. 29, 2024
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Disclosure of provision matrix [line items] |
Increase (decrease) in expected selling price used to establish net realizable value of inventories | 10.00%

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- Definition Increase (Decrease) In Expected Selling Price Used To Establish Net Realizable Value Of Inventories + References No definition available. + Details
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Namespace Prefix: | gil_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

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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