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Financial instruments (Derivatives) (Details) - CAD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Disclosure of detailed information about financial instruments [line items] |  |
Net | $ 6,123 | $ (55,535)
Gain (loss) | 37,791 | (72,949)
Current portion of other liabilities [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Net | (14,338) | (25,913)
Other liabilities [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Net | (8,006) | (32,429)
Current portion of long-term receivables, investments and other [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Net | 9,137 | 1,331
Long-term receivables, investments and other [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Net | 19,330 | 1,476
Foreign currency contracts [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Net | 11,942 | (48,251)
Gain (loss) | 38,975 | (66,360)
Interest rate contracts [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Net | (5,819) | (7,284)
Gain (loss) | $ (1,184) | $ (6,589)

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- Definition The gains (losses) resulting from change in the fair value of derivatives recognised in profit or loss. [Refer: Derivatives [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 85 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_85&doctype=Standard -URIDate 2023-03-23 + Details
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- Details
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