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Other long-term liabilities (Tables) | 12 Months Ended
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Sep. 30, 2022
Subclassifications of assets, liabilities and equities [abstract] |
Disclosure of other long-term liabilities |
| As at September 30, 2022 | As at September 30, 2021
| $ | $
Deferred revenue | 90,371 |  | 59,349 |
Deferred compensation plan liabilities (Note 17) | 81,452 |  | 91,943 |
Other 1 | 20,285 |  | 51,370 |
| 192,108 |  | 202,662 |
1 As at September 30, 2021, other is mainly composed of $33,686,000 in relation with the deferral of the employer side social security payments under the U.S. Government Coronavirus Aid, Relief, and Economic Security Act (CARES Act). The amount related to CARES Act was nil as at September 30, 2022.

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