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GOODWILL (Details) - CAD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Reconciliation of changes in intangible assets and goodwill [abstract]
Goodwill at beginning of period	$ 1,228,600	$ 1,118,262
Additional recognition, goodwill	85,458	112,201
Increase (decrease) through net exchange differences, goodwill	80,518	(1,863)
Goodwill at end of period	$ 1,394,576	$ 1,228,600
Minimum
Reconciliation of changes in intangible assets and goodwill [abstract]
Capitalization rate, EBITDA	6.50%
Maximum
Reconciliation of changes in intangible assets and goodwill [abstract]
Capitalization rate, EBITDA	8.30%

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- Definition

Capitalization Rate, EBITDA

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- Definition

The amount of additional goodwill recognised, except goodwill included in a disposal group that, on acquisition, meets the criteria to be classified as held for sale in accordance with IFRS 5. [Refer: Goodwill; Disposal groups classified as held for sale [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2024-01-01
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The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Total for all business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The increase (decrease) in goodwill resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Goodwill]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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