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Investment In Associate - Summary Of Investment In Associate (Detail) - CAD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Share of income during the period
Balance,Beginning	$ 240,116
Share of net income (loss) from associate	(13,798)	$ 920
Share of other comprehensive income (loss) from associate	(3,389)	539
Loss on dilution of ownership interest in associate	113	0
Balance, Ending	229,594	240,116
IsoEnergy Ltd. [member]
Share of income during the period
Balance,Beginning	240,116	0
Fair value of retained interest in IsoEnergy on December 5, 2023		239,735
Share of net income (loss) from associate	(13,798)	920
Share of other comprehensive income (loss) from associate	3,389	(539)
Loss on dilution of ownership interest in associate	(113)
Balance, Ending	229,594	$ 240,116
Fair value of investment in associate as at December 31, 2024	$ 151,813

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- Definition

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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The amount of investments in associates in an entity's separate financial statements. [Refer: Total for all associates [member]]

+ References

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- Definition

The entity's share of the other comprehensive income of associates and joint ventures accounted for using the equity method, net of tax. [Refer: Total for all associates [member]; Investments accounted for using equity method; Total for all joint ventures [member]; Other comprehensive income]

+ References

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

The entity's share of the profit (loss) of associates accounted for using the equity method. [Refer: Total for all associates [member]; Investments accounted for using equity method; Profit (loss)]

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Fair value of investment in associates.

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Investment in assocaites acquired.

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Loss on dilution of ownership interest in associate.

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