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INVESTMENT IN EQUITY ACCOUNTED INVESTEES - Narrative (Details) - CAD ($) $ in Millions | 12 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Interest in Other Entities [Abstract] |  |
Unrecognised share of profit of joint ventures | $ 1.8 | $ 2.0
Cumulative unrecognised share of losses of joint ventures | 8.5 | 10.3
Cumulative unrecognised share of comprehensive losses of joint ventures | $ 7.6 | $ 9.3

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- Definition Interest in other entities [Abstract] + References No definition available. + Details
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- Definition Unrecognised Share Of Profit Of Joint Ventures + References No definition available. + Details
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- Definition The cumulative amount of the unrecognised share of losses of joint ventures if the entity has stopped recognising its share of losses when applying the equity method. [Refer: Total for all joint ventures [member]; Unrecognised share of losses of joint ventures] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 22 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_22_c&doctype=Standard -URIDate 2024-03-27 + Details
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