Indebtedness - Schedule of Indebtedness (Parentheticals) (Details) - CAD ($) $ in Thousands |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Term Loan B – U.S. Facility [Member] | ||
| Schedule of Indebtedness [Line Items] | ||
| Term Loan B – U.S. Facility | $ 1,320,531 | $ 1,320,531 |
| 2027 Senior Unsecured Notes [Member] | ||
| Schedule of Indebtedness [Line Items] | ||
| Senior Notes | 213,035 | 213,035 |
| 2026 Senior Secured Notes [Member] | ||
| Schedule of Indebtedness [Line Items] | ||
| Senior Secured Notes | 387,047 | 387,047 |
| 2027 Senior Secured Notes [Member] | ||
| Schedule of Indebtedness [Line Items] | ||
| Senior Secured Notes | $ 224,995 | $ 224,995 |