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Revenue (Tables)

12 Months Ended

Dec. 31, 2020

Revenue [abstract]

Revenue - Disaggregation

	Uranium		Fuel services		Other		Total
Customer geographical region
Americas	$	588,827	$	206,011	$	7,676	$	802,514
Europe		323,565		123,864		3,331		450,760
Asia		499,378		47,421		-		546,799
	$	1,411,770	$	377,296	$	11,007	$	1,800,073
Contract type
Fixed-price	$	406,021	$	355,552	$	7,686	$	769,259
Market-related		1,005,749		21,744		3,321		1,030,814
	$	1,411,770	$	377,296	$	11,007	$	1,800,073

	Uranium		Fuel services		Other		Total
Customer geographical region
Americas	$	569,535	$	206,226	$	59,300	$	835,061
Europe		288,134		79,629		3,587		371,350
Asia		556,140		84,422		15,952		656,514
	$	1,413,809	$	370,277	$	78,839	$	1,862,925
Contract type
Fixed-price	$	349,021	$	305,383	$	69,703	$	724,107
Market-related		1,064,788		64,894		9,136		1,138,818
	$	1,413,809	$	370,277	$	78,839	$	1,862,925

Revenue - Contract liabilities

			2020		2019
Beginning of year		$	17,418	$	30,727
Additions			6,994		9,783
Recognized in revenue			(10,026)		(23,067)
Effect of movements in exchange rates			(4)		(25)
End of year		$	14,382	$	17,418

Revenue - Remaining performance obligations

		2021		2022		2023		2024		2025		Thereafter		Total
Uranium	$	243,069	$	189,351	$	179,212	$	166,581	$	129,450	$	416,947	$	1,324,610
Fuel services		319,851		272,920		212,655		215,729		216,250		677,611		1,915,016
Other		4,212		-		-		-		-		-		4,212
Total	$	567,132	$	462,271	$	391,867	$	382,310	$	345,700	$	1,094,558	$	3,243,838

X

- Definition

The disclosure of the disaggregation of revenue from contracts with customers. [Refer: Revenue from contracts with customers]

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