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Contract costs | 12 Months Ended
--- | ---
Sep. 30, 2022
Revenue From Contracts With Customers [Abstract] |
Contract costs | Contract costs
| As at September 30, 2022 | As at September 30, 2021
| Cost | Accumulated amortization and impairment | Net carrying amount | Cost | Accumulated amortization and impairment | Net carrying amount
| $ | $ | $ | $ | $ | $
Transition costs | 481,836 |  | 225,468 |  | 256,368 |  | 487,106 |  | 262,311 |  | 224,795 |
Incentives | 50,331 |  | 45,087 |  | 5,244 |  | 52,200 |  | 46,433 |  | 5,767 |
| 532,167 |  | 270,555 |  | 261,612 |  | 539,306 |  | 308,744 |  | 230,562 |

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- Definition The entire disclosure for revenue from contracts with customers. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2021-01-01 -Section Presentation -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IFRS15_g105-109_TI -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2021-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IFRS15_g110-129_TI -URIDate 2021-03-24 + Details
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