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Share-based payments - Disclosure of share-based payment expense (Details) - CAD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based payment expense	$ 186,726	$ 177,130
PSUs
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based payment expense	42,148	32,484
Stock options
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based payment expense	6,848	13,108
Share purchase plan
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based payment expense	136,275	128,662
DSUs
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based payment expense	$ 1,455	$ 2,876

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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- 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 2021-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2021-03-24

+ Details

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- Details

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