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Supplemental cash flow information (Statements of detailed information of cash flow) (Details) - CAD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Changes in non-cash working capital
Accounts receivable	$ 78,562	$ (242,416)
Inventories	(115,679)	38,394
Supplies and prepaid expenses	4,151	8,410
Accounts payable and accrued liabilities	21,400	169,044
Reclamation payments	(34,746)	(38,982)
Other	(5,913)	(346)
Total	$ (52,225)	$ (65,896)

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Adjustments for decrease (increase) in supplies and prepaid to reconcile profit (loss) to net cash flow from (used in) operating activities.

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Adjustments for decrease (increase) in inventories to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Inventories; Profit (loss)]

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Adjustments for provisions to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Provisions; Profit (loss)]

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Inflows (outflows) of cash, classified as operating activities, that the entity does not separately disclose in the same statement or note.

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