Summary of Operating Segments by Geographic Locations (Detail) - CAD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Jan. 01, 2023
Disclosure of geographical areas [Line Items]
Revenue	$ 1,902,328	$ 1,937,854
Total assets	2,956,315	3,019,035	$ 2,876,123
United States [Member]
Disclosure of geographical areas [Line Items]
Revenue	590,641	861,915
Total assets	1,292,983	1,226,256
Canada [Member]
Disclosure of geographical areas [Line Items]
Revenue	1,106,163	929,639
Total assets	1,206,868	1,246,069
International [Member]
Disclosure of geographical areas [Line Items]
Revenue	205,524	146,300
Total assets	$ 456,464	$ 546,710

The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

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+ Details