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Segmented information (Business segments) (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Disclosure Of Operating Segments [Line Items] |  |
Revenue | $ 1,868,003 | $ 1,474,984
Cost of products and services sold | 1,457,336 | 1,282,635
Depreciation and amortization | 177,376 | 190,415
Cost of sales | 1,634,712 | 1,473,050
Gross profit (loss) | 233,291 | 1,934
Administration | 172,029 | 127,566
Exploration | 10,578 | 8,016
Research and development | 12,175 | 7,168
Other operating expense (income) | 22,944 | (8,407)
(Gain) loss on disposal of assets | 514 | 3,803
Finance costs | 85,728 | 76,612
Gain (loss) on derivatives | 72,949 | (12,529)
Finance income | (37,499) | (6,804)
Share of earnings from equity-accounted investee | (93,988) | (68,283)
Other expense (income) | (96,934) | (21,353)
Earnings (loss) before income taxes | 84,795 | (103,855)
Income tax recovery | (4,469) | (1,201)
Net earnings (loss) | 89,264 | (102,654)
Capital expenditures for the year | 143,481 | 98,784
Uranium [member] |  |
Disclosure Of Operating Segments [Line Items] |  |
Revenue | 1,480,146 | 1,054,993
Cost of products and services sold | 1,223,558 | 1,028,816
Depreciation and amortization | 135,800 | 134,629
Cost of sales | 1,359,358 | 1,163,445
Gross profit (loss) | 120,788 | (108,452)
Administration | 0 | 0
Exploration | 10,578 | 8,016
Research and development | 0 | 0
Other operating expense (income) | 25,845 | (8,407)
(Gain) loss on disposal of assets | 726 | (2,886)
Finance costs | 0 | 0
Gain (loss) on derivatives | 0 | 0
Finance income | 0 | 0
Share of earnings from equity-accounted investee | (93,988) | (68,283)
Other expense (income) | (22,802) | 0
Earnings (loss) before income taxes | 200,429 | (36,892)
Capital expenditures for the year | 101,547 | 72,786
Fuel Service [Member] |  |
Disclosure Of Operating Segments [Line Items] |  |
Revenue | 365,063 | 404,277
Cost of products and services sold | 215,660 | 242,574
Depreciation and amortization | 32,618 | 43,344
Cost of sales | 248,278 | 285,918
Gross profit (loss) | 116,785 | 118,359
Administration | 0 | 0
Exploration | 0 | 0
Research and development | 0 | 0
Other operating expense (income) | (2,901) | 0
(Gain) loss on disposal of assets | (212) | 6,689
Finance costs | 0 | 0
Gain (loss) on derivatives | 0 | 0
Finance income | 0 | 0
Share of earnings from equity-accounted investee | 0 | 0
Other expense (income) | 0 | 301
Earnings (loss) before income taxes | 119,898 | 111,369
Capital expenditures for the year | 39,736 | 22,792
Other Segment [Member] |  |
Disclosure Of Operating Segments [Line Items] |  |
Revenue | 22,794 | 15,714
Cost of products and services sold | 18,118 | 11,245
Depreciation and amortization | 8,958 | 12,442
Cost of sales | 27,076 | 23,687
Gross profit (loss) | (4,282) | (7,973)
Administration | 172,029 | 127,566
Exploration | 0 | 0
Research and development | 12,175 | 7,168
Other operating expense (income) | 0 | 0
(Gain) loss on disposal of assets | 0 | 0
Finance costs | 85,728 | 76,612
Gain (loss) on derivatives | 72,949 | (12,529)
Finance income | (37,499) | (6,804)
Share of earnings from equity-accounted investee | 0 | 0
Other expense (income) | (74,132) | (21,654)
Earnings (loss) before income taxes | (235,532) | (178,332)
Capital expenditures for the year | $ 2,198 | $ 3,206

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