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v3.22.4

Mining interests - Schedule of property, plant and equipment (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021
Mining Interests |  |  |  |
Beginning balance |  | $ 1,787.9 |  |
Ending balance | $ 1,787.9 | 1,863.9 | $ 1,787.9 |
Proceeds from sale of Blackwater stream | 300.0 |  | 300.0 | [1]
Gain on disposal of Blackwater stream | 147.3 | 0.0 | 147.3 |
New Afton |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 818.6 |  |
Ending balance | 818.6 | 922.4 | 818.6 |
Rainy River |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 966.7 |  |
Ending balance | 966.7 | 939.3 | 966.7 |
Gross carrying amount |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 3,487.3 | 3,325.9 |
Additions |  | 283.5 | 319.3 |
Disposals |  | (7.2) | (7.9) |
Transfers |  | 0.0 | 0.0 |
Disposal of Blackwater stream |  |  | (150.0) |
Ending balance | 3,487.3 | 3,763.6 | 3,487.3 |
Accumulated depreciation and amortisation |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | (1,699.4) | (1,497.6) |
Disposals |  | 4.3 | 5.5 |
Depreciation for the period |  | 204.6 | 207.3 |
Ending balance | (1,699.4) | (1,899.7) | (1,699.4) |
Depletable |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 740.2 |  |
Ending balance | 740.2 | 797.4 | 740.2 |
Depletable | New Afton |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 396.5 |  |
Ending balance | 396.5 | 402.8 | 396.5 |
Depletable | Rainy River |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 343.7 |  |
Ending balance | 343.7 | 394.6 | 343.7 |
Depletable | Gross carrying amount |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 1,745.9 | 1,569.4 |
Additions |  | 81.7 | 113.2 |
Disposals |  | (0.2) | (0.3) |
Transfers |  | 78.9 | 63.6 |
Disposal of Blackwater stream |  |  | 0.0 |
Ending balance | 1,745.9 | 1,906.3 | 1,745.9 |
Depletable | Accumulated depreciation and amortisation |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | (1,005.7) | (909.1) |
Disposals |  | 0.1 | 0.1 |
Depreciation for the period |  | 103.3 | 96.7 |
Ending balance | (1,005.7) | (1,108.9) | (1,005.7) |
Non- depletable |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 261.0 |  |
Ending balance | 261.0 | 237.9 | 261.0 |
Non- depletable | New Afton |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 224.0 |  |
Ending balance | 224.0 | 230.9 | 224.0 |
Non- depletable | Rainy River |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 35.9 |  |
Ending balance | 35.9 | 5.9 | 35.9 |
Non- depletable | Gross carrying amount |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 261.0 | 300.4 |
Additions |  | 109.3 | 110.6 |
Disposals |  | 0.0 | 0.0 |
Transfers |  | (132.4) | 0.0 |
Disposal of Blackwater stream |  |  | (150.0) |
Ending balance | 261.0 | 237.9 | 261.0 |
Non- depletable | Gross carrying amount | New Afton |  |  |  |
Mining Interests |  |  |  |
Transfers |  | (84.8) |  |
Non- depletable | Gross carrying amount | Rainy River |  |  |  |
Mining Interests |  |  |  |
Transfers |  | (47.6) |  |
Non- depletable | Accumulated depreciation and amortisation |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 0.0 | 0.0 |
Disposals |  | 0.0 | 0.0 |
Depreciation for the period |  | 0.0 | 0.0 |
Ending balance | 0.0 | 0.0 | 0.0 |
Plant & equipment |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 668.6 |  |
Ending balance | 668.6 | 739.5 | 668.6 |
Plant & equipment | New Afton |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 154.0 |  |
Ending balance | 154.0 | 271.5 | 154.0 |
Plant & equipment | Rainy River |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 513.1 |  |
Ending balance | 513.1 | 466.9 | 513.1 |
Plant & equipment | Gross carrying amount |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 1,362.3 | 1,299.1 |
Additions |  | 44.1 | 36.5 |
Disposals |  | (7.0) | (7.6) |
Transfers |  | 130.9 | 34.3 |
Disposal of Blackwater stream |  |  | 0.0 |
Ending balance | 1,362.3 | 1,530.3 | 1,362.3 |
Plant & equipment | Accumulated depreciation and amortisation |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | (693.7) | (588.5) |
Disposals |  | 4.2 | 5.4 |
Depreciation for the period |  | 101.3 | 110.6 |
Ending balance | (693.7) | (790.8) | (693.7) |
Construction in progress |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 118.1 |  |
Ending balance | 118.1 | 89.1 | 118.1 |
Construction in progress | New Afton |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 44.1 |  |
Ending balance | 44.1 | 17.2 | 44.1 |
Construction in progress | Rainy River |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 74.0 |  |
Ending balance | 74.0 | 71.9 | 74.0 |
Construction in progress | Gross carrying amount |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 118.1 | 157.0 |
Additions |  | 48.4 | 59.0 |
Disposals |  | 0.0 | 0.0 |
Transfers |  | (77.4) | (97.9) |
Disposal of Blackwater stream |  |  | 0.0 |
Ending balance | 118.1 | 89.1 | 118.1 |
Construction in progress | Accumulated depreciation and amortisation |  |  |  |
Mining Interests |  |  |  |
Beginning balance |  | 0.0 | 0.0 |
Disposals |  | 0.0 | 0.0 |
Depreciation for the period |  | 0.0 | 0.0 |
Ending balance | $ 0.0 | $ 0.0 | $ 0.0 |
[1] | In 2021 the Company disposed of the Blackwater gold stream for $300.0 million. Blackwater stream transaction costs of $2.6 million were paid in 2022.

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