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Disclosure of Liability Classified Plans (Detail) - CAD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Jan. 01, 2023
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |
Beginning balance | $ 88,523 | $ 151,345 |
Expensed during the year | 42,828 | 32,063 |
Settlement in shares | (20,367) | (19,963) |
Payments | (53,053) | (74,880) |
Foreign exchange | (73) | (42) |
Ending balance | 57,858 | 88,523 |
Current | 44,192 |  |
Long-term | 13,666 | 16,755 | $ 47,836
Restricted Share Units (RSUs) [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |
Beginning balance | 16,114 | 38,190 |
Expensed during the year | 10,511 | 6,594 |
Settlement in shares | (2,012) | (2,101) |
Payments | (13,037) | (26,524) |
Foreign exchange | (16) | (45) |
Ending balance | 11,560 | 16,114 |
Current | 8,567 |  |
Long-term | 2,993 |  |
Performance Share Units (PSUs) [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |
Beginning balance | 64,042 | 100,858 |
Expensed during the year | 29,829 | 28,256 |
Settlement in shares | (18,355) | (17,104) |
Payments | (40,016) | (47,971) |
Foreign exchange | (57) | 3 |
Ending balance | 35,443 | 64,042 |
Current | 24,770 |  |
Long-term | 10,673 |  |
Deferred Share Units (DSUs) [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |
Beginning balance | 8,367 | 12,297 |
Expensed during the year | 2,488 | (2,787) |
Settlement in shares |  | (758) |
Payments |  | (385) |
Foreign exchange |  |  |
Ending balance | 10,855 | $ 8,367 |
Current | 10,855 |  |
Long-term | $ 0 |  |

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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 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + 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: Types of share-based payment arrangements [domain]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2024-01-01 -Paragraph 51 -Subparagraph b -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_51_b_i&doctype=Standard -URIDate 2024-03-27 + Details
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