REVENUE FROM CONTRACTS WITH CUSTOMERS - Backlog (Details) - CAD ($) $ in Thousands	Mar. 31, 2024	Mar. 31, 2023
Disclosure of disaggregation of revenue from contracts with customers [line items]
Total	$ 1,793,000	$ 2,153,000
Less than one year
Disclosure of disaggregation of revenue from contracts with customers [line items]
Total	1,215,000	1,607,000
Thereafter
Disclosure of disaggregation of revenue from contracts with customers [line items]
Total	$ 578,000	$ 546,000

The amount of the transaction price allocated to the performance obligations that are unsatisfied (or partially unsatisfied) as of the end of the reporting period. The transaction price is the amount of consideration to which an entity expects to be entitled in exchange for transferring promised goods or services to a customer, excluding amounts collected on behalf of third parties (for example, some sales taxes). [Refer: Performance obligations [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2023-01-01
-Paragraph 120
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_120_a&doctype=Standard
-URIDate 2023-03-23

Name:	ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant