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Related parties (Compensation for key management personnel) (Details) - CAD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Disclosure of transactions between related parties [line items]
Short-term employee benefits	$ 39,224,000	$ 30,733,000
Share-based compensation	27,373,000	41,694,000
Post-employment benefits	12,128,000	6,730,000
Termination benefits	1,389,000	541,000
Total	80,114,000	79,698,000
Saskatchewan [Member]
Disclosure of transactions between related parties [line items]
Paid to Suppliers	87,708,000	27,373,000
Accounts payable	$ 1,156,000	$ 1,817,000

X

- Definition

The amounts payable resulting from related party transactions. [Refer: Total for all related parties [member]]

+ References

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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- Definition

The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]

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- Definition

The amount of compensation to key management personnel in the form of post-employment benefits. [Refer: Key management personnel of entity or parent [member]]

+ References

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- Definition

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+ References

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The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]]

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- Definition

The amount of compensation to key management personnel in the form of termination benefits. [Refer: Termination benefits expense; Key management personnel of entity or parent [member]]

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The cash outflow to suppliers for goods and services.

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