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Disclosure of Liability Classified Plans (Detail) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |
Beginning balance | $ 151,345 | $ 60,755
Expensed during the year | 32,063 | 133,647
Settlement in shares | 19,963 | 14,083
Reclassification from equity-settled plans |  | 406
Payments | (74,880) | (28,522)
Foreign exchange | (42) | (46)
Ending balance | 88,523 | 151,345
Current | 63,401 |
Long-term | 25,122 | 60,133
Restricted Share Units (RSUs) [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |
Beginning balance | 38,190 | 18,050
Expensed during the year | 6,594 | 34,555
Settlement in shares | 2,101 |
Reclassification from equity-settled plans |  | 0
Payments | (26,524) | (14,372)
Foreign exchange | (45) | (43)
Ending balance | 16,114 | 38,190
Current | 12,484 |
Long-term | 3,630 |
Performance Share Units (PSUs) [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |
Beginning balance | 100,858 | 21,524
Expensed during the year | 28,256 | 87,297
Settlement in shares | 17,104 |
Reclassification from equity-settled plans |  | 0
Payments | (47,971) | (7,960)
Foreign exchange | 3 | (3)
Ending balance | 64,042 | 100,858
Current | 50,917 |
Long-term | 13,125 |
Executive Performance Share Units [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |
Beginning balance | 0 | 16,507
Expensed during the year |  | 4,172
Settlement in shares |  | 14,083
Reclassification from equity-settled plans |  | 406
Payments |  | (6,190)
Foreign exchange |  |
Ending balance | 0 | 0
Current |  |
Long-term |  |
Deferred Share Units (DSUs) [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |
Beginning balance | 12,297 | 4,674
Expensed during the year | (2,787) | 7,623
Settlement in shares | 758 |
Reclassification from equity-settled plans |  |
Payments | (385) |
Foreign exchange |  |
Ending balance | 8,367 | $ 12,297
Current |  |
Long-term | $ 8,367 |

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of expense from share-based payment transactions with employees. [Refer: Expense from share-based payment transactions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of liabilities arising from share-based payment transactions. Share-based payment transactions are transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Share-based payment arrangements [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 51 -Subparagraph b -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_51_b_i&doctype=Standard -URIDate 2023-03-23 + Details
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