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Share-based payments - Disclosure of share-based payment expense (Details) - CAD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based payment expense	$ 232,964	$ 186,726
PSUs
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based payment expense	55,847	42,148
Stock options
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based payment expense	2,367	6,848
Share purchase plan
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based payment expense	169,418	136,275
DSUs
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based payment expense	$ 5,332	$ 1,455

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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X

- Definition

The amount of expense from share-based payment transactions with employees. [Refer: Expense from share-based payment transactions]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2023-03-23

+ Details

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- Details

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- Details

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- Details

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- Details

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