XML 108 R92.htm IDEA: XBRL DOCUMENT v3.8.0.1

SHARE-BASED COMPENSATION SHARE-BASED COMPENSATION (Stock options issued and outstanding and exercisable) (Details)	Dec. 31, 2017 USD ($) shares year	Dec. 31, 2017 CAD shares year	Jan. 01, 2017 shares	Jan. 03, 2016 shares
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Options issued and outstanding, number (in shares)	3,022,000	3,022,000
Options exercisable, number (in shares)	599,562	599,562	468,813
$13.60
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Exercise price of outstanding share options (in CAD and USD per share) | CAD		CAD 13.60
$15.59
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Exercise price of outstanding share options (in CAD and USD per share) | CAD		15.59
$24.22
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Exercise price of outstanding share options (in CAD and USD per share) | CAD		24.22
$30.46
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Exercise price of outstanding share options (in CAD and USD per share) | CAD		30.46
$33.01
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Exercise price of outstanding share options (in CAD and USD per share) | CAD		33.01
$38.01
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Exercise price of outstanding share options (in CAD and USD per share) | CAD		38.01
$42.27
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Exercise price of outstanding share options (in CAD and USD per share) | CAD		CAD 42.27
$29.01
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Exercise price of outstanding share options (in CAD and USD per share) | $	$ 29.01
CAD
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Options issued and outstanding, number (in shares)	2,263,000	2,263,000	2,532,000	1,895,000
Options exercisable, number (in shares)	600,000	600,000
CAD | $13.60
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Options issued and outstanding, number (in shares)	63,000	63,000
Options issued and outstanding, remaining contractual life | year	1	1
Options exercisable, number (in shares)	63,000	63,000
CAD | $15.59
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Options issued and outstanding, number (in shares)	81,000	81,000
Options issued and outstanding, remaining contractual life | year	2	2
Options exercisable, number (in shares)	81,000	81,000
CAD | $24.22
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Options issued and outstanding, number (in shares)	261,000	261,000
Options issued and outstanding, remaining contractual life | year	3	3
Options exercisable, number (in shares)	174,000	174,000
CAD | $30.46
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Options issued and outstanding, number (in shares)	286,000	286,000
Options issued and outstanding, remaining contractual life | year	4	4
Options exercisable, number (in shares)	138,000	138,000
CAD | $33.01
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Options issued and outstanding, number (in shares)	714,000	714,000
Options issued and outstanding, remaining contractual life | year	6	6
Options exercisable, number (in shares)	0	0
CAD | $38.01
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Options issued and outstanding, number (in shares)	575,000	575,000
Options issued and outstanding, remaining contractual life | year	5	5
Options exercisable, number (in shares)	144,000	144,000
CAD | $42.27
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Options issued and outstanding, number (in shares)	283,000	283,000
Options issued and outstanding, remaining contractual life | year	8	8
Options exercisable, number (in shares)	0	0
USD
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Options issued and outstanding, number (in shares)	759,000	759,000	0
USD | $29.01
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]
Options issued and outstanding, number (in shares)	759,000	759,000
Options issued and outstanding, remaining contractual life | year	7	7
Options exercisable, number (in shares)	0	0

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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

X

- Definition

The exercise price of outstanding share options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2017-01-01
-Paragraph 45
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_45_d&doctype=Standard
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_ExercisePriceOfOutstandingShareOptions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of share options outstanding in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2017-01-01
-Paragraph 45
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_45_d&doctype=Standard
-URIDate 2017-03-09

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2017-01-01
-Paragraph 45
-Subparagraph b
-Clause i
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_45_b_i&doctype=Standard
-URIDate 2017-03-09

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2017-01-01
-Paragraph 45
-Subparagraph b
-Clause vi
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_45_b_vi&doctype=Standard
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_NumberOfOutstandingShareOptions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of share options exercisable in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2017-01-01
-Paragraph 45
-Subparagraph b
-Clause vii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_45_b_vii&doctype=Standard
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2017-01-01
-Paragraph 45
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_45_d&doctype=Standard
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=gil_ExercisePriceRangeOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=gil_ExercisePriceRangeTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=gil_ExercisePriceRangeThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=gil_ExercisePriceRangeFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=gil_ExercisePriceRangeFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=gil_ExercisePriceRangeSixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=gil_ExercisePriceRangeSevenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=gil_ExercisePriceRangeEightMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	gil_Currency1Axis=currency_CAD
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	gil_Currency1Axis=currency_USD
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: