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Provisions (Tables)
 12 Months Ended
Dec. 31, 2024
Provisions [Abstract]  
Reconciliation of change of reclamation and waste provisions
Reclamation
Waste disposal
Total
Beginning of year
$
1,051,167
$
10,817
$
1,061,984
Changes in estimates and discount rates [note 9]
Capitalized in property, plant and equipment
(17,308)
-
(17,308)
Recognized in earnings [note 9]
(37,683)
331
(37,352)
Provisions used during the period
(34,064)
(682)
(34,746)
Unwinding of discount [note 20]
35,941
302
36,243
Effect of movements in exchange rates
26,986
-
26,986
End of period
$
1,025,039
$
10,768
$
1,035,807
Current
$
34,063
$
3,911
$
37,974
Non-current
990,976
6,857
997,833
$
1,025,039
$
10,768
$
1,035,807
Reclamation provisions
2024
2023
Uranium
$
865,574
$
874,773
Fuel services
159,465
176,394
Total
$
1,025,039
$
1,051,167