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Provisions (Tables)

12 Months Ended

Dec. 31, 2019

Provisions [Abstract]

Roll Forward of provisions for reclamation and waste disposal



		Reclamation		Waste disposal				Total


Beginning of year		$	1,053,892		$	9,460		$	1,063,352
Changes in estimates and discount rates [note 8]
	Capitalized in property, plant and equipment		22,151			-			22,151
	Recognized in earnings		2,732			645			3,377
Provisions used during the period			(31,933)			(457)			(32,390)
Unwinding of discount [note 19]			20,634			155			20,789
Effect of movements in exchange rates			(16,801)			-			(16,801)

End of period		$	1,050,675		$	9,803		$	1,060,478


Current		$	54,806		$	1,442		$	56,248
Non-current			995,869			8,361			1,004,230

		$	1,050,675		$	9,803		$	1,060,478

Reclamation provisions


		2019			2018


Uranium	$	831,352		$	828,781
Fuel services		219,323			225,111

Total	$	1,050,675		$	1,053,892