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.

No definition available.

+ Details

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- Definition

The exercise price of outstanding share options.

+ References

+ Details

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Period Type:	instant

- 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 2018-01-01
-Paragraph 45
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_d&doctype=Standard
-URIDate 2018-03-16

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 45
-Subparagraph b
-Clause i
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_i&doctype=Standard
-URIDate 2018-03-16

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 45
-Subparagraph b
-Clause vi
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_vi&doctype=Standard
-URIDate 2018-03-16

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

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

+ References

+ Details

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Period Type:	instant

- Details

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- Details

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- Details

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Equity - Summary of Information Relating to Share Options Outstanding (Detail) pure in Thousands	Dec. 31, 2018 CAD ($) mo	Dec. 31, 2017	Dec. 31, 2016
Disclosure of range of exercise prices of outstanding share options [line items]
Outstanding share options	19,775	22,068	22,854
Weighted average remaining life of outstanding options \| mo	70
Bottom of range [member]
Disclosure of range of exercise prices of outstanding share options [line items]
Exercise price range	$ 4.15
Top of range [member]
Disclosure of range of exercise prices of outstanding share options [line items]
Exercise price range	$ 58.80
$ 4.15-$12.35 [member]
Disclosure of range of exercise prices of outstanding share options [line items]
Outstanding share options	6,411
Weighted average remaining life of outstanding options \| mo	78
$ 4.15-$12.35 [member] \| Bottom of range [member]
Disclosure of range of exercise prices of outstanding share options [line items]
Exercise price range	$ 4.15
$ 4.15-$12.35 [member] \| Top of range [member]
Disclosure of range of exercise prices of outstanding share options [line items]
Exercise price range	$ 12.35
$12.36-$20.14 [member]
Disclosure of range of exercise prices of outstanding share options [line items]
Outstanding share options	3,634
Weighted average remaining life of outstanding options \| mo	71
$12.36-$20.14 [member] \| Bottom of range [member]
Disclosure of range of exercise prices of outstanding share options [line items]
Exercise price range	$ 12.36
$12.36-$20.14 [member] \| Top of range [member]
Disclosure of range of exercise prices of outstanding share options [line items]
Exercise price range	$ 20.14
$20.15-$26.79 [member]
Disclosure of range of exercise prices of outstanding share options [line items]
Outstanding share options	2,218
Weighted average remaining life of outstanding options \| mo	59
$20.15-$26.79 [member] \| Bottom of range [member]
Disclosure of range of exercise prices of outstanding share options [line items]
Exercise price range	$ 20.15
$20.15-$26.79 [member] \| Top of range [member]
Disclosure of range of exercise prices of outstanding share options [line items]
Exercise price range	$ 26.79
$26.80-$36.85 [member]
Disclosure of range of exercise prices of outstanding share options [line items]
Outstanding share options	4,386
Weighted average remaining life of outstanding options \| mo	63
$26.80-$36.85 [member] \| Bottom of range [member]
Disclosure of range of exercise prices of outstanding share options [line items]
Exercise price range	$ 26.80
$26.80-$36.85 [member] \| Top of range [member]
Disclosure of range of exercise prices of outstanding share options [line items]
Exercise price range	$ 36.85
$36.86-$58.80 [member]
Disclosure of range of exercise prices of outstanding share options [line items]
Outstanding share options	3,126
Weighted average remaining life of outstanding options \| mo	68
$36.86-$58.80 [member] \| Bottom of range [member]
Disclosure of range of exercise prices of outstanding share options [line items]
Exercise price range	$ 36.86
$36.86-$58.80 [member] \| Top of range [member]
Disclosure of range of exercise prices of outstanding share options [line items]
Exercise price range	$ 58.80