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Segmented information - Business segments (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure Of Operating Segments [Line Items] |  |
Revenue | $ 1,862,925 | $ 2,091,661
Cost of products and services sold | 1,345,551 | 1,467,940
Depreciation and amortization | 275,749 | 327,973
Cost of sales | 1,621,300 | 1,795,913
Gross profit | 241,625 | 295,748
Administration | 124,869 | 141,552
Exploration | 13,686 | 20,283
Research and development | 6,058 | 1,757
Other operating expense | 2,732 | 59,616
Loss on disposal of assets | 1,869 | 2,303
Finance costs | 98,622 | 111,779
Gain on derivatives | (32,269) | 81,081
Finance income | (29,760) | (22,071)
Share of earnings from equity-accounted investee | (45,360) | (32,321)
Other expense (income) | (33,840) | (108,160)
Earnings before income taxes | 135,018 | 39,929
Income tax expense (recovery) | 61,077 | (126,306)
Net earnings | 73,941 | 166,235
Capital expenditures for the year | 75,211 | 55,362
Uranium [Member] |  |
Disclosure Of Operating Segments [Line Items] |  |
Revenue | 1,413,809 | 1,684,056
Cost of products and services sold | 1,041,922 | 1,138,940
Depreciation and amortization | 218,832 | 277,171
Cost of sales | 1,260,754 | 1,416,111
Gross profit | 153,055 | 267,945
Administration | 0 | 0
Exploration | 13,686 | 20,283
Research and development | 0 | 0
Other operating expense | 2,732 | 59,616
Loss on disposal of assets | 1,869 | 1,008
Finance costs | 0 | 0
Gain on derivatives | 0 | 0
Finance income | 0 | 0
Share of earnings from equity-accounted investee | (45,360) | (32,321)
Other expense (income) | (52,801) | (81,955)
Earnings before income taxes | 232,929 | 301,314
Capital expenditures for the year | 48,092 | 44,114
Fuel Service [Member] |  |
Disclosure Of Operating Segments [Line Items] |  |
Revenue | 370,277 | 313,989
Cost of products and services sold | 234,423 | 219,240
Depreciation and amortization | 45,856 | 35,977
Cost of sales | 280,279 | 255,217
Gross profit | 89,998 | 58,772
Administration | 0 | 0
Exploration | 0 | 0
Research and development | 0 | 0
Other operating expense | 0 | 0
Loss on disposal of assets | 0 | 1,264
Finance costs | 0 | 0
Gain on derivatives | 0 | 0
Finance income | 0 | 0
Share of earnings from equity-accounted investee | 0 | 0
Other expense (income) | 0 | 0
Earnings before income taxes | 89,998 | 57,508
Capital expenditures for the year | 27,117 | 11,226
Other Segment [Member] |  |
Disclosure Of Operating Segments [Line Items] |  |
Revenue | 78,839 | 93,616
Cost of products and services sold | 69,206 | 109,760
Depreciation and amortization | 11,061 | 14,825
Cost of sales | 80,267 | 124,585
Gross profit | (1,428) | (30,969)
Administration | 124,869 | 141,552
Exploration | 0 | 0
Research and development | 6,058 | 1,757
Other operating expense | 0 | 0
Loss on disposal of assets | 0 | 31
Finance costs | 98,622 | 111,779
Gain on derivatives | (32,269) | 81,081
Finance income | (29,760) | (22,071)
Share of earnings from equity-accounted investee | 0 | 0
Other expense (income) | 18,961 | (26,205)
Earnings before income taxes | (187,909) | (318,893)
Capital expenditures for the year | $ 2 | $ 22

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