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RIGHT-OF-USE ASSETS AND LEASE LIABILITIES - Lease liabilities (Details) - CAD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Reconciliation of lease liabilities [Abstract]
Lease liabilities, beginning balance	$ 111,379	$ 97,249
Additions	29,040	37,978
Interest	6,048	5,473
Payments	(36,567)	(31,553)
Acquisition of subsidiaries	14,766	6,560
Exchange and other adjustments	4,727	(4,328)
Lease liabilities, ending balance	129,393	111,379
Less: current portion	32,694	27,571
Non-current lease liabilities	$ 96,699	$ 83,808

X

- Definition

Acquisition Of Lease Liabilities

+ References

No definition available.

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- Definition

Additions To Lease Liabilities

+ References

No definition available.

+ Details

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- Definition

Increase (Decrease) Through Net Exchange Differences, Lease Liabilities

+ References

No definition available.

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- Definition

Reconciliation of lease liabilities

+ References

No definition available.

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X

- Definition

The cash outflow for leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2024-01-01
-Paragraph 53
-Subparagraph g
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_53_g&doctype=Standard
-URIDate 2024-03-27

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- Definition

The amount of current lease liabilities. [Refer: Lease liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2024-01-01
-Paragraph 47
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2024-03-27

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- Definition

The amount of interest expense on lease liabilities. [Refer: Lease liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2024-01-01
-Paragraph 53
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_53_b&doctype=Standard
-URIDate 2024-03-27

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X

- Definition

The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2024-01-01
-Paragraph 47
-Subparagraph b
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X

- Definition

The amount of non-current lease liabilities. [Refer: Lease liabilities]

+ References

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-Number 16
-IssueDate 2024-01-01
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-URIDate 2024-03-27

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