Inventories - Additional Information (Detail) - CAD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Text Block 1 [Abstract]
Cost of inventories recognised as expense	$ 1,455.1	$ 757.9
Inventory write down	2.1	6.1
Finance leases related to inventory	$ 74.5	$ 36.2

The amount of expense recognised related to the write-down of inventories to net realisable value. [Refer: Inventories]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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