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Mining interests | 12 Months Ended
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Dec. 31, 2023
Disclosure of detailed information about property, plant and equipment [abstract] |
Mining interests | Mining interests
Mining Properties |
| Depletable | Non- depletable | Plant & equipment | Construction in progress | Total |
(in millions of U.S. dollars) |  |  |  |  |  |
COST |  |  |  |  |  |
As at December 31, 2021 | 1,745.9 |  | 261.0 |  | 1,362.3 |  | 118.1 |  | 3,487.3 |  |
Additions | 81.7 |  | 109.3 |  | 44.1 |  | 48.4 |  | 283.5 |  |
Disposals | (0.2) |  | — |  | (7.0) |  | — |  | (7.2) |  |
Transfers(1) | 78.9 |  | (132.4) |  | 130.9 |  | (77.4) |  | — |  |
As at December 31, 2022 | 1,906.3 |  | 237.9 |  | 1,530.3 |  | 89.1 |  | 3,763.6 |  |
Additions | 45.0 |  | 147.9 |  | 17.1 |  | 100.2 |  | 310.2 |  |
Disposals | — |  | — |  | (9.0) |  | — |  | (9.0) |  |
Transfers(2) | 49.9 |  | (18.6) |  | 45.5 |  | (76.8) |  | — |  |
As at December 31, 2023 | 2,001.2 |  | 367.2 |  | 1,583.9 |  | 112.5 |  | 4,064.8 |  |
ACCUMULATED DEPRECIATION |  |  |  |  |  |
As at December 31, 2021 | 1,005.7 |  | — |  | 693.7 |  | — |  | 1,699.4 |  |
Depreciation for the year | 103.3 |  | — |  | 101.3 |  | — |  | 204.6 |  |
Disposals | (0.1) |  | — |  | (4.2) |  | — |  | (4.3) |  |
As at December 31, 2022 | 1,108.9 |  | — |  | 790.8 |  | — |  | 1,899.7 |  |
Depreciation for the period | 137.2 |  | — |  | 108.8 |  | — |  | 246.0 |  |
Disposals | — |  | — |  | (8.1) |  | — |  | (8.1) |  |
As at December 31, 2023 | 1,246.1 |  | — |  | 891.5 |  | — |  | 2,137.6 |  |
CARRYING AMOUNT |  |  |  |  |  |
As at December 31, 2022 | 797.4 |  | 237.9 |  | 739.5 |  | 89.1 |  | 1,863.9 |  |
As at December 31, 2023 | 755.1 |  | 367.2 |  | 692.4 |  | 112.5 |  | 1,927.2 |  |
1.In 2022, Non-depletable transfers of $132.4 million were made up of $84.8 million from the New Afton thickened and amended tailings facility and $47.6 million from the Rainy River Intrepid zone. 2.In 2023, Non-depletable transfers consisted of $18.6 million from the Rainy River Intrepid zone. Carrying amount by property as at December 31, 2023
| Depletable | Non- depletable | Plant & equipment | Construction in progress | Total
(in millions of U.S. dollars) |  |  |  |  |
MINING INTEREST BY SITE |  |  |  |  |
New Afton | 373.5 |  | 359.9 |  | 275.2 |  | 23.7 |  | 1,032.3 |
Rainy River | 381.6 |  | 6.2 |  | 413.8 |  | 88.8 |  | 890.4 |
Other(1) | — |  | 1.1 |  | 3.4 |  | — |  | 4.5 |
Carrying amount | 755.1 |  | 367.2 |  | 692.4 |  | 112.5 |  | 1,927.2 |
1.Other includes corporate balances. Carrying amount by property as at December 31, 2022
| Depletable | Non- depletable | Plant & equipment | Construction in progress | Total
(in millions of U.S. dollars) |  |  |  |  |
MINING INTEREST BY SITE |  |  |  |  |
New Afton | 402.8 |  | 230.9 |  | 271.5 |  | 17.2 |  | 922.4 |
Rainy River | 394.6 |  | 5.9 |  | 466.9 |  | 71.9 |  | 939.3 |
Other(1) | — |  | 1.1 |  | 1.1 |  | — |  | 2.2 |
Carrying amount | 797.4 |  | 237.9 |  | 739.5 |  | 89.1 |  | 1,863.9 |
1.Other includes corporate balances.

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- Definition The entire disclosure for property, plant and equipment. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2023-01-01 -Section Disclosure -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&doctype=Standard&dita_xref=IAS16_g73-79_TI -URIDate 2023-03-23 + Details
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