XML 96 R103.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

SUPPLEMENTARY INFORMATION RELATING TO THE NATURE OF EXPENSES (Government assistance) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018
Analysis of income and expense [abstract]
Government assistance	$ 14.0	$ 14.5
Operating lease income	$ 35.8

X

- Definition

Income From Government Grants And Tax Credits

+ References

No definition available.

+ Details

Name:	gil_IncomeFromGovernmentGrantsAndTaxCredits
Namespace Prefix:	gil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	ifrs-full_AnalysisOfIncomeAndExpenseAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of operating lease income. Operating lease is a lease that does not transfer substantially all the risks and rewards incidental to ownership of an underlying asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2019-01-01
-Paragraph 90
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_90_b&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_OperatingLeaseIncome
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration