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Financial instruments and related risk management (Measurement of fair values hierarchy levels) (Details) - CAD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure of detailed information about financial instruments [line items] |  |
Derivative assets | $ 103 | $ 28,467
Current portion of long-term debt | (285,707) | (499,821)
Derivative liabilities | (143,609) | (22,344)
Long-term debt | (995,583) | (1,284,353)
Net financial instruments | (1,424,796) | (1,778,051)
Foreign currency contracts [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Derivative assets | 103 | 28,467
Derivative liabilities | (140,437) | (16,525)
Interest rate swap contracts [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Derivative liabilities | (3,172) | (5,819)
Level 2 of fair value hierarchy [member] | Foreign currency contracts [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Derivative assets | 103 | 28,467
Derivative liabilities | (140,437) | (16,525)
Level 2 of fair value hierarchy [member] | Interest rate swap contracts [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Derivative liabilities | (3,172) | (5,819)
Fair value [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Current portion of long-term debt | (285,707) | (500,000)
Long-term debt | (1,058,055) | (1,303,681)
Net financial instruments | $ (1,487,268) | $ (1,797,558)

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- Definition Financial instruments contracts net of non current borrowings. + References No definition available. + Details
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Period Type: | instant

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- Definition The current portion of non-current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of financial assets classified as derivative instruments. [Refer: Financial assets; Derivatives [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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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 non-current portion of non-current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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- Details
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