Revenue (Contract liabilities) (Details) - CAD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Contract Liabilities Abstract
Beginning of year	$ 106,569	$ 45,372
Additions	144,893	159,712
Recognized in revenue	(169,640)	(98,532)
Effect of movements in exchange rates	(9)	17
End of year	$ 81,813	$ 106,569

The amount of an entity’s obligation to transfer goods or services to a customer for which the entity has received consideration (or the amount is due) from the customer.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant