REVENUE FROM CONTRACTS WITH CUSTOMERS - Net contract assets and liabilities (Details) - CAD ($) $ in Thousands	12 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Revenue from contracts with customers [Abstract]
Costs incurred	$ 3,936,631	$ 3,285,121
Estimated earnings	1,354,259	1,091,180
Contracts in progress	5,290,890	4,376,301
Progress billings	(4,898,391)	(4,145,866)
Net contract assets and liabilities	392,499	$ 230,435
Increase in contract asset	177,713
Increase in contract liability	$ 15,649

Contract Asset, Contracts in Progress

No definition available.

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- Definition

Contract Assets, Estimated Earnings

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No definition available.

+ Details

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- Definition

Contract Liabilities, Progress Billings

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No definition available.

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- Definition

Net Contract Assets (Liabilities)

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No definition available.

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- Definition

Revenue from contracts with customers [Abstract]

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No definition available.

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- Definition

The amount of assets recognised from the costs to obtain or fulfil contracts with customers. The costs to obtain a contract with a customer are the incremental costs of obtaining the contract that the entity would not have incurred if the contract had not been obtained. The costs to fulfil a contract with a customer are the costs that relate directly to a contract or to an anticipated contract that the entity can specifically identify.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2023-01-01
-Paragraph 128
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_128_a&doctype=Standard
-URIDate 2023-03-23

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- Definition

The increase (decrease) in contract assets resulting from cumulative catch-up adjustments to revenue. [Refer: Contract assets; Revenue from contracts with customers]

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 15
-IssueDate 2023-01-01
-Paragraph 118
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_118_b&doctype=Standard
-URIDate 2023-03-23

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- Definition

The increase (decrease) in contract liabilities resulting from cumulative catch-up adjustments to revenue. [Refer: Contract liabilities; Revenue from contracts with customers]

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+ Details

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