Commitments, contingencies and guarantees - Guarantees (Details) |
Sep. 30, 2025
CAD ($)
|
|---|---|
| Disclosure of contingent liabilities [line items] | |
| Letters of credit in addition to the letters of credit covered by the unsecured committed revolving credit facility | $ 74,743,000 |
| Liability for refusal or failure to perform under bid and performance bonds | Guarantees | |
| Disclosure of contingent liabilities [line items] | |
| Estimated financial effect of guarantees | $ 275,221,000 |