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v3.23.1

Mineral Property, Plant and Equipment (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment | $ 3,108.5 |
Impairment charge (note 14) | 38.2 | $ 224.3
Mineral property, plant and equipment | 3,173.8 | 3,108.5
Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment | 4,865.4 | 4,466.6
Additions | 329.8 | 359.3
Transfer of La Yaqui Grande Assets | 0.0 |
Revisions | 6.7 | 29.8
Disposals | (1.7) | (6.0)
Sale of property, plant and equipment | (90.0) |
Mineral property, plant and equipment | 5,110.2 | 4,865.4
Accumulated amortization and impairment charges |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment | (1,756.9) | (1,365.3)
Amortization | (181.1) | (177.3)
Disposals | 1.2 | 4.5
Impairment charge (note 14) | 38.2 | 218.8
Mineral property, plant and equipment | (1,936.4) | (1,756.9)
Right of Use Assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Amortization | (38.6) |
Plant and equipment |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment | 911.5 |
Mineral property, plant and equipment | 980.5 | 911.5
Plant and equipment | Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment | 1,629.3 | 1,530.0
Additions | 40.2 | 105.3
Transfer of La Yaqui Grande Assets | 121.0 |
Revisions | 0.0 | 0.0
Disposals | (1.7) | (6.0)
Sale of property, plant and equipment | (0.4) |
Mineral property, plant and equipment | 1,788.4 | 1,629.3
Plant and equipment | Accumulated amortization and impairment charges |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment | (717.8) | (641.3)
Amortization | (91.7) | (80.7)
Disposals | 1.2 | 4.5
Impairment charge (note 14) | 0.0 | 0.3
Mineral property, plant and equipment | (807.9) | (717.8)
Plant and equipment | Right of Use Assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Amortization | (0.4) |
Depletable |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment | 1,819.4 |
Mineral property, plant and equipment | 1,899.5 | 1,819.4
Depletable | Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment | 2,631.2 | 2,483.4
Additions | 143.8 | 113.7
Transfer of La Yaqui Grande Assets | 19.0 |
Revisions | 6.7 | 18.4
Disposals | 0.0 | 0.0
Sale of property, plant and equipment | 0.0 |
Mineral property, plant and equipment | 2,800.7 | 2,631.2
Depletable | Accumulated amortization and impairment charges |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment | (811.8) | (715.2)
Amortization | (89.4) | (96.6)
Disposals | 0.0 | 0.0
Impairment charge (note 14) | 0.0 | 0.0
Mineral property, plant and equipment | (901.2) | (811.8)
Depletable | Right of Use Assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Amortization | 0.0 |
Non-depletable |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment | 143.2 |
Mineral property, plant and equipment | 126.9 | 143.2
Non-depletable | Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment | 285.6 | 157.7
Additions | 123.7 | 116.5
Transfer of La Yaqui Grande Assets | (140.0) |
Revisions | 0.0 | 11.4
Disposals | 0.0 | 0.0
Sale of property, plant and equipment | 0.0 |
Mineral property, plant and equipment | 269.3 | 285.6
Non-depletable | Accumulated amortization and impairment charges |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment | (142.4) | 0.0
Amortization | 0.0 | 0.0
Disposals | 0.0 | 0.0
Impairment charge (note 14) | 0.0 | 142.4
Mineral property, plant and equipment | (142.4) | (142.4)
Non-depletable | Right of Use Assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Amortization | 0.0 |
Exploration and evaluation |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment | 234.4 |
Mineral property, plant and equipment | 166.9 | 234.4
Exploration and evaluation | Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment | 319.3 | 295.5
Additions | 22.1 | 23.8
Transfer of La Yaqui Grande Assets | 0.0 |
Revisions | 0.0 | 0.0
Disposals | 0.0 | 0.0
Sale of property, plant and equipment | (89.6) |
Mineral property, plant and equipment | 251.8 | 319.3
Exploration and evaluation | Accumulated amortization and impairment charges |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment | (84.9) | (8.8)
Amortization | 0.0 | 0.0
Disposals | 0.0 | 0.0
Impairment charge (note 14) | 38.2 | 76.1
Mineral property, plant and equipment | (84.9) | (84.9)
Exploration and evaluation | Right of Use Assets |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Amortization | $ (38.2) |
Island Gold | Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Additions |  | 15.7
Island Gold | Plant and equipment | Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Additions |  | 0.0
Island Gold | Depletable | Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Additions |  | 15.7
Island Gold | Non-depletable | Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Additions |  | 0.0
Island Gold | Exploration and evaluation | Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Additions |  | $ 0.0

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