INVESTMENT IN EQUITY ACCOUNTED INVESTEES - Balances and transactions with joint ventures (Details) - CAD ($) $ in Millions |
12 Months Ended | |
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Mar. 31, 2026 |
Mar. 31, 2025 |
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| Disclosure of joint ventures [line items] | ||
| Accounts receivable (Note 10) | $ 152.8 | $ 61.2 |
| Contract assets | 522.6 | 521.0 |
| Accounts payable and accrued liabilities (Note 18) | 8.1 | 14.9 |
| Contract liabilities | 708.3 | 607.4 |
| Total for all joint ventures | ||
| Disclosure of joint ventures [line items] | ||
| Accounts receivable (Note 10) | 154.1 | 63.2 |
| Contract assets | 29.3 | 22.3 |
| Other non-current assets | 51.2 | 39.5 |
| Accounts payable and accrued liabilities (Note 18) | 8.1 | 14.9 |
| Contract liabilities | 147.9 | 57.5 |
| Revenue | 270.0 | 278.7 |
| Purchases | 3.1 | 1.4 |
| Other income | $ 2.9 | $ 2.4 |
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- Definition Other Assets, Related Party Transactions No definition available.
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- Definition Other Income, Related Party Transactions No definition available.
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- Definition The amount of an entity’s right to consideration in exchange for goods or services that the entity has transferred to a customer, when that right is conditioned on something other than the passage of time (for example, the entity’s future performance). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of an entity’s obligation to transfer goods or services to a customer for which the entity has received consideration (or the amount is due) from the customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. No definition available.
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- Definition The amount of goods purchased by the entity in related party transactions. [Refer: Total for all related parties [member]] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of current payables due to related parties. [Refer: Total for all related parties [member]; Payables to related parties] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of current receivables due from related parties. [Refer: Total for all related parties [member]] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Details
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