XML 43 R30.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Property, Plant and Equipment (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2024
Property, Plant and Equipment [Abstract] |
Property, plant and equipment | Property, plant and equipment and mining properties, net consist of the following:
In thousands | June 30, 2024 |  | December 31, 2023
Mine development | $ | 1,394,378 |  |  | $ | 1,358,189 |
Mineral interests | 809,912 |  |  | 809,912 |
Land | 9,000 |  |  | 8,318 |
Facilities and equipment(1) | 1,444,949 |  |  | 947,435 |
Construction in progress(2) | 153,476 |  |  | 612,865 |
Total | $ | 3,811,715 |  |  | $ | 3,736,719 |
Accumulated depreciation, depletion and amortization(3) | (2,115,764) |  |  | (2,048,431) |
Property, plant and equipment and mining properties, net | $ | 1,695,951 |  |  | $ | 1,688,288 |
(1) Includes $119.8 million and $127.6 million associated with facilities and equipment assets under finance leases at June 30, 2024 and December 31, 2023, respectively. (2) Includes $3.5 million and $471.7 million of construction costs related to the Rochester expansion project at June 30, 2024 and December 31, 2023, respectively. (3) Includes $47.0 million and $37.6 million of accumulated amortization related to assets under finance leases at June 30, 2024 and December 31, 2023, respectively.

X
- References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-1 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration