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Share-based payments - Disclosure of share-based payment expense (Details) - CAD ($) $ in Thousands | 12 Months Ended
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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

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- 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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- Details
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