XML 59 R109.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

INCOME TAXES (Changes to deferred income tax assets and liabilities) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 29, 2019 | Dec. 30, 2018
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |
Balance, beginning of fiscal year, net | $ (12,623) | $ (3,713)
Changes in deferred tax liability (asset) [abstract] |  |
Recognized in the statements of earnings | 23,623 | (8,872)
Business acquisitions | (1,100) | 0
Other | 17 | (38)
Balance, end of fiscal year, net | 9,917 | (12,623)
Non-capital losses |  |
Changes in deferred tax liability (asset) [abstract] |  |
Recognized in the statements of earnings | 14,804 | 10,367
Non-deductible reserves and accruals |  |
Changes in deferred tax liability (asset) [abstract] |  |
Recognized in the statements of earnings | 1,107 | 5,683
Property, plant and equipment |  |
Changes in deferred tax liability (asset) [abstract] |  |
Recognized in the statements of earnings | 2,142 | (5,267)
Intangible assets |  |
Changes in deferred tax liability (asset) [abstract] |  |
Recognized in the statements of earnings | 1,033 | 94
Other |  |
Changes in deferred tax liability (asset) [abstract] |  |
Recognized in the statements of earnings | 2,203 | (532)
Change In Tax Rate Related Temporary Differences [Member] |  |
Changes in deferred tax liability (asset) [abstract] |  |
Recognized in the statements of earnings | 0 | (2,048)
Unrecognized deferred income tax assets |  |
Changes in deferred tax liability (asset) [abstract] |  |
Recognized in the statements of earnings | $ 2,334 | $ (17,169)

X
- Definition Increase (Decrease) Through Other, Deferred Tax Liability (Asset) + References No definition available. + Details
Name: | gil_IncreaseDecreaseThroughOtherDeferredTaxLiabilityAsset
Namespace Prefix: | gil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_ChangesInDeferredTaxLiabilityAssetAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss. [Refer: Deferred tax assets; Deferred tax expense (income); Deferred tax liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2019-01-01 -Paragraph 81 -Subparagraph g -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_g_ii&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2019-01-01 -Paragraph 81 -Subparagraph g -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DeferredTaxLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The increase (decrease) in deferred tax liability (asset) resulting from business combinations. [Refer: Deferred tax liability (asset)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 12 -IssueDate 2019-01-01 -Paragraph 81 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis=gil_NonCapitalLossesRelatedTemporaryDifferencesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis=gil_NonDeductibleReservesAndAccrualsRelatedTemporaryDifferencesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis=gil_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis=gil_IntangibleAssetsRelatedTemporaryDifferencesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis=ifrs-full_OtherTemporaryDifferencesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis=gil_ChangeInTaxRateRelatedTemporaryDifferencesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis=gil_UnrecognizedDeferredTaxAssetsRelatedTemporaryDifferencesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |