Financing and additional notes and loans payable information - Narrative (Detail) - CAD ($) |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Financing Activities [Line Items] | ||
| Line of credit facility, remaining borrowing capacity | $ 500,000,000 | |
| Short-term debt outstanding | 0 | $ 0 |
| Long Term Line Of Credit Due November Two Thousand And Twenty Six | ||
| Financing Activities [Line Items] | ||
| Line of credit facility, maximum borrowing capacity | 250,000,000 | |
| Long-Term Line Of Credit Due November Two Thousand And Twenty Seven | ||
| Financing Activities [Line Items] | ||
| Line of credit facility, maximum borrowing capacity | $ 250,000,000 |
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- Definition Financing Activities [Line Items] No definition available.
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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