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Non-controlling Interests - Additional Information (Detail) - CAD ($)				12 Months Ended
	Dec. 05, 2023	Dec. 04, 2023	Oct. 19, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
The subsidiaries with the exception of isoEnergy [member]
Disclosure of noncontrolling interests [line items]
Proportion of ownership interest in subsidiary						100.00%
IsoEnergy Ltd. [member]
Disclosure of noncontrolling interests [line items]
Proportion of ownership interest in subsidiary	34.00%	48.70%		32.80%	33.90%	50.10%
Proportion of minority interest in subsidiary	34.00%	48.70%
Non controlling interest derecognized during the period				$ 35,697,000
Retained investment in subsidiary at fair value				239,735,000
Portion of gains losses recognized when control of subisidiarty is lost attributable to recognizing investment retained				$ 204,038,000
Share Price Considered For Calculating Fair Value	$ 4.09
IsoEnergy Ltd. [member] | Subscription Receipts [Member]
Disclosure of noncontrolling interests [line items]
Class of warrants or rights issued during the period units			8,134,500
Class of warrants or rights issue price per unit			$ 4.5
Investment in warrants during the period shares			3,333,350
Per share price of investment in warrant			$ 4.5
Investment in warrants during the period value			$ 15,000,000
Warrants converted into shares during the period shares	3,333,350

X

- Definition

The portion of gains (losses) from losing control of a subsidiary attributable to recognising any investment retained in the former subsidiary at its fair value at the date when control is lost. [Refer: Gains (losses) recognised when control of subsidiary is lost; Total for all subsidiaries [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2024-01-01
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+ References

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