LEASE LIABILITIES - Changes in lease liabilities (Details) - CAD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| LEASE LIABILITIES | ||
| Balance at beginning of year | $ 378.5 | $ 346.1 |
| Lease obligations financing right-of-use assets | 122.6 | 158.8 |
| Repayments | (126.4) | (126.2) |
| Other | (1.4) | (0.2) |
| Balance at end of year | 373.3 | 378.5 |
| Less current portion | (110.3) | (108.5) |
| Lease liabilities, non-current | $ 263.0 | $ 270.0 |
| Bottom of range | ||
| LEASE LIABILITIES | ||
| Interest rates on lease liabilities (as a percent) | 1.90% | 1.90% |
| Top of range | ||
| LEASE LIABILITIES | ||
| Interest rates on lease liabilities (as a percent) | 8.50% | 8.50% |
| Affiliated Entity | ||
| LEASE LIABILITIES | ||
| Balance at beginning of year | $ 15.8 | |
| Balance at end of year | $ 12.4 | $ 15.8 |