XML 68 R51.htm IDEA: XBRL DOCUMENT
v3.10.0.1

ENTITY-WIDE DISCLOSURES ENTITY-WIDE DISCLOSURES (Tables) | 12 Months Ended
--- | ---
Dec. 30, 2018
Entity-wide disclosures [Abstract] |
Disclosure of geographical areas | Property, plant and equipment, intangible assets, and goodwill, were allocated to geographic areas as follows:
| December 30, 2018 |  |  | December 31, 2017 |
United States | $ | 455,491 |  |  | $ | 487,228 |
Canada | 132,045 |  |  | 141,820 |
Honduras | 387,301 |  |  | 386,348 |
Caribbean Basin | 544,282 |  |  | 559,422 |
Other | 92,291 |  |  | 89,176 |
| $ | 1,611,410 |  |  | $ | 1,663,994 |
Disclosure of major customers | ustomers accounting for at least 10% of total net sales for the fiscal years ended December 30, 2018 and December 31, 2017 were as follows.
| 2018 |  |  | 2017 |
Customer A | 19.0 | % |  | 16.5 | %
Customer B | 10.0 | % |  | 7.6 | %
Customer C | 7.6 | % |  | 11.9 | %

X
- Definition Entity-wide disclosures [Abstract] + References No definition available. + Details
Name: | gil_EntitywidedisclosuresAbstract
Namespace Prefix: | gil_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of geographical information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2017-01-01 -Paragraph 33 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2017-03-01&anchor=para_33&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_DisclosureOfGeographicalAreasExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of major customers. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2017-01-01 -Paragraph 34 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2017-03-01&anchor=para_34&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_DisclosureOfSegmentsMajorCustomersExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration