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Other long-term obligations - Schedule of other long term obligations (Details) - CAD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Other Liabilities, Noncurrent [Abstract] |  |
DSU liabilities | $ 13,159 | $ 17,515
Deferred gain on sale-leaseback | 1,483 | 2,954
Obligation related to DGI acquisition | 2,142 | 3,098
Other | 1,792 | 2,833
Other long term obligations | $ 18,576 | $ 26,400

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