v3.25.4
Income Taxes (Schedule of Deferred Taxes) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Income Taxes [Abstract]    
Accruals and provisions $ 54,488 $ 40,594
Contract obligations 91,754 90,849
Lease obligations 47,327 43,633
Asset retirement obligations 56,845 59,981
Goodwill 6,510 6,047
Tax losses 331,732 115,695
Interest limitation carried forward 74,788 26,943
Other 12,158 31,228
Gross deferred income tax assets 675,602 414,970
Valuation allowance (316,489) (114,088)
Total deferred income tax assets, net of valuation allowance 359,113 300,882
Property, plant, equipment and mine development, principally due to differences in depreciation, depletion and asset impairments (313,866) (277,424)
Warehouse stock (18,053) (12,209)
Right of use asset (44,085) (41,947)
U.S. liability on foreign deferred taxes 0 0
Other (6,358) (6,039)
Total deferred income tax liabilities (382,362) (337,619)
Net deferred income tax (liability) (23,249) (36,737)
Income Tax Contingency [Line Items]    
Increase in valuation allowance 202,400  
Australian Taxation Office [Member]    
Income Tax Contingency [Line Items]    
Tax losses carried forward $ 12,100 $ 10,600