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v3.25.1

Property, plant, equipment and mineral deposits (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | $ 801,031 | $ 748,266
Additions | 138,868 | 120,119
Disposals | (2,123) | (3,999)
Reclassification | 0 | 662
Provision adjustments | (3,115) | 7,749
Capitalized interest | 732 | 2,826
Depreciation, depletion, & amortization (DD&A) | (83,660) | (75,201)
Impairment reserve |  | 609
Property, plant and equipment at end of period | 851,733 | 801,031
Capital project accruals | $ 15,128 | $ 11,683
Capitalization rate | 6.09% | 5.51%
Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | $ 2,002,475 |
Property, plant and equipment at end of period | 2,087,863 | $ 2,002,475
Accumulated DD&A |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | (1,198,070) |
Property, plant and equipment at end of period | (1,232,756) | (1,198,070)
Impairment reserve |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | (3,374) |
Property, plant and equipment at end of period | (3,374) | (3,374)
Quarries |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | 114,537 | 113,948
Additions | 10,685 | 7,917
Disposals | 0 | 0
Reclassification | 2,323 | 47
Provision adjustments | (1,659) | 4,778
Capitalized interest | 0 | 0
Depreciation, depletion, & amortization (DD&A) | (11,301) | (11,148)
Impairment reserve |  | (1,005)
Property, plant and equipment at end of period | 114,585 | 114,537
Quarries | Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | 254,832 |
Property, plant and equipment at end of period | 266,275 | 254,832
Quarries | Accumulated DD&A |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | (139,290) |
Property, plant and equipment at end of period | (150,685) | (139,290)
Quarries | Impairment reserve |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | (1,005) |
Property, plant and equipment at end of period | (1,005) | (1,005)
Land & Land Improvements |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | 157,668 | 151,346
Additions | 0 | 0
Disposals | (163) | 0
Reclassification | 9,040 | 7,070
Provision adjustments | (17) | (32)
Capitalized interest | 0 | 0
Depreciation, depletion, & amortization (DD&A) | (2,913) | (2,166)
Impairment reserve |  | 1,450
Property, plant and equipment at end of period | 163,615 | 157,668
Land & Land Improvements | Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | 216,944 |
Property, plant and equipment at end of period | 225,351 | 216,944
Land & Land Improvements | Accumulated DD&A |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | (57,276) |
Property, plant and equipment at end of period | (59,736) | (57,276)
Land & Land Improvements | Impairment reserve |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | (2,000) |
Property, plant and equipment at end of period | (2,000) | (2,000)
Buildings |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | 59,849 | 35,740
Additions | 0 | 0
Disposals | (46) | (255)
Reclassification | 35,490 | 27,775
Provision adjustments | (1) | 118
Capitalized interest | 0 | 0
Depreciation, depletion, & amortization (DD&A) | (5,725) | (3,529)
Impairment reserve |  | 0
Property, plant and equipment at end of period | 89,567 | 59,849
Buildings | Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | 150,219 |
Property, plant and equipment at end of period | 185,795 | 150,219
Buildings | Accumulated DD&A |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | (90,370) |
Property, plant and equipment at end of period | (96,228) | (90,370)
Buildings | Impairment reserve |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | 0 |
Property, plant and equipment at end of period | 0 | 0
Machinery & equipment |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | 288,025 | 283,321
Additions | 0 | 681
Disposals | (911) | (3,405)
Reclassification | 61,829 | 43,342
Provision adjustments | (1,438) | 2,885
Capitalized interest | 0 | 0
Depreciation, depletion, & amortization (DD&A) | (38,619) | (38,430)
Impairment reserve |  | (369)
Property, plant and equipment at end of period | 308,886 | 288,025
Machinery & equipment | Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | 957,365 |
Property, plant and equipment at end of period | 994,491 | 957,365
Machinery & equipment | Accumulated DD&A |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | (668,971) |
Property, plant and equipment at end of period | (685,236) | (668,971)
Machinery & equipment | Impairment reserve |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | (369) |
Property, plant and equipment at end of period | (369) | (369)
Motor vehicles |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | 91,030 | 87,928
Additions | 0 | 0
Disposals | (1,003) | (339)
Reclassification | 58,784 | 22,557
Provision adjustments | 0 | 0
Capitalized interest | 0 | 0
Depreciation, depletion, & amortization (DD&A) | (24,026) | (19,116)
Impairment reserve |  | 0
Property, plant and equipment at end of period | 124,785 | 91,030
Motor vehicles | Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | 313,197 |
Property, plant and equipment at end of period | 344,003 | 313,197
Motor vehicles | Accumulated DD&A |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | (222,167) |
Property, plant and equipment at end of period | (219,218) | (222,167)
Motor vehicles | Impairment reserve |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | 0 |
Property, plant and equipment at end of period | 0 | 0
Furniture & fixtures |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | 4,289 | 921
Additions | 0 | 0
Disposals | 0 | 0
Reclassification | 4,362 | 4,180
Provision adjustments | 0 | 0
Capitalized interest | 0 | 0
Depreciation, depletion, & amortization (DD&A) | (1,076) | (812)
Impairment reserve |  | 0
Property, plant and equipment at end of period | 7,575 | 4,289
Furniture & fixtures | Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | 19,248 |
Property, plant and equipment at end of period | 22,733 | 19,248
Furniture & fixtures | Accumulated DD&A |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | (14,959) |
Property, plant and equipment at end of period | (15,158) | (14,959)
Furniture & fixtures | Impairment reserve |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | 0 |
Property, plant and equipment at end of period | 0 | 0
Assets under construction |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | 85,633 | 75,062
Additions | 128,183 | 111,521
Disposals | 0 | 0
Reclassification | (171,828) | (104,309)
Provision adjustments | 0 | 0
Capitalized interest | 732 | 2,826
Depreciation, depletion, & amortization (DD&A) | 0 | 0
Impairment reserve |  | 533
Property, plant and equipment at end of period | 42,720 | 85,633
Assets under construction | Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | 90,670 |
Property, plant and equipment at end of period | 49,215 | 90,670
Assets under construction | Accumulated DD&A |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | (5,037) |
Property, plant and equipment at end of period | (6,495) | (5,037)
Assets under construction | Impairment reserve |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Property, plant and equipment at beginning of period | 0 |
Property, plant and equipment at end of period | $ 0 | $ 0

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- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Total for all business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e_i&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -Clause vii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e_vii&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 75 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_75_a&doctype=Standard -URIDate 2024-03-27 + Details
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