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Summary of Maturity Analysis of Lease Payments (Detail) $ in Thousands	Dec. 31, 2020 CAD ($)
Disclosure of finance lease and operating lease by lessee [Line Items]
Undiscounted lease payments	$ 284,355
Less than one year [member]
Disclosure of finance lease and operating lease by lessee [Line Items]
Undiscounted lease payments	182,139
One to five years [member]
Disclosure of finance lease and operating lease by lessee [Line Items]
Undiscounted lease payments	$ 102,216

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- 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.

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No definition available.

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- Definition

The amount of undiscounted operating lease payments to be received. 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 2020-01-01
-Paragraph 97
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_97&doctype=Standard
-URIDate 2020-01-01

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