CAPITAL RISK MANAGEMENT (Details) - CAD ($) $ in Millions |
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Capital Risk Management [Abstract] | |||
| Total long-term debt (Note 20) | $ 3,234.2 | $ 3,470.4 | |
| Less: cash and cash equivalents | (552.4) | (293.7) | $ (160.1) |
| Net debt | 2,681.8 | 3,176.7 | |
| Equity | 5,388.1 | 4,976.0 | $ 4,302.6 |
| Total net debt plus equity | $ 8,069.9 | $ 8,152.7 | |
| Net debt to capital (in percent) | 33.20% | 39.00% |
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- Definition Borrowings, Less Cash and Cash Equivalents No definition available.
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- Definition Borrowings, Less Cash and Cash Equivalents Plus Equity No definition available.
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- Definition Capital Risk Management [Abstract] No definition available.
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- Definition Long-term Debt, Gross No definition available.
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- Definition Net Debt-to-Capital 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 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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