Capital management (Capital management) (Details) - CAD ($) |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Capital management [abstract] | |||
| Current portion of long-term debt | $ 0 | $ 285,707,000 | |
| Long-term debt | 996,348,000 | 995,583,000 | |
| Cash and cash equivalents | (1,114,860,000) | (600,462,000) | $ (566,809,000) |
| Short-term investments | (99,603,000) | 0 | |
| Net debt | (218,115,000) | 680,828,000 | |
| Non-controlling interest | 15,000 | 26,000 | |
| Shareholders' equity | 6,903,363,000 | 6,364,307,000 | |
| Total equity | 6,903,378,000 | 6,364,333,000 | $ 6,094,309,000 |
| Total capital | $ 6,685,263,000 | $ 7,045,161,000 |
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- Definition The amount of long term borrowings less total cash. [Custom] No definition available.
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- Definition Addition of long term debt net of cash and equity. No definition available.
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- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The current portion of non-current borrowings. [Refer: Borrowings] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition The amount of residual interest in the assets of the entity after deducting all its liabilities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of equity attributable to the owners of the parent. This specifically excludes non-controlling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The non-current portion of non-current borrowings. [Refer: Borrowings] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of equity in a subsidiary not attributable, directly or indirectly, to a parent. [Refer: Total for all subsidiaries [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of short-term deposits held by the entity that are not classified as cash equivalents. [Refer: Cash equivalents] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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