XML 80 R63.htm IDEA: XBRL DOCUMENT
v3.10.0.1

TRADE ACCOUNTS RECEIVABLE (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 30, 2018 | Dec. 31, 2017
Subclassifications of assets, liabilities and equities [abstract] |  |
Trade accounts receivables being serviced under a receivables purchase agreement | $ 117.0 | $ 92.8
Receivables purchase agreement, maximum of sale of accounts receivables | 175.0 |
Receivables purchase agreement, difference between carrying amount of receivable sold and cash received | $ 2.6 | $ 1.7

X
- Definition Receivables Purchase Agreement, Difference Between Carrying Amount Of Receivables Sold And Cash Received + References No definition available. + Details
Name: | gil_ReceivablesPurchaseAgreementDifferenceBetweenCarryingAmountOfReceivablesSoldAndCashReceived
Namespace Prefix: | gil_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Receivables Purchase Agreement, Portion Of Current Trade Receivables + References No definition available. + Details
Name: | gil_ReceivablesPurchaseAgreementPortionOfCurrentTradeReceivables
Namespace Prefix: | gil_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Receivables Purchase Agreement, Sale Of Accounts Receivable Maximum + References No definition available. + Details
Name: | gil_ReceivablesPurchaseAgreementSaleOfAccountsReceivableMaximum
Namespace Prefix: | gil_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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