v3.26.1
Property, Plant and Equipment
 3 Months Ended
Mar. 31, 2026
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT PROPERTY, PLANT AND EQUIPMENT AND MINING PROPERTIES, NET
Property, plant and equipment and mining properties, net consist of the following:
In thousandsMarch 31, 2026December 31, 2025
Mine development$1,994,612 $1,657,873 
Mineral interests9,992,763 1,683,564 
Land84,694 9,961 
Facilities and equipment(1)
2,726,479 1,741,055 
Construction in progress131,840 129,662 
Total$14,930,388 $5,222,115 
Accumulated depreciation, depletion and amortization(2)
(2,593,804)(2,477,231)
Property, plant and equipment and mining properties, net$12,336,584 $2,744,884 
(1) Includes $123.8 million and $123.8 million associated with facilities and equipment assets under finance leases at March 31, 2026 and December 31, 2025, respectively.
(2) Includes $83.2 million and $75.1 million of accumulated amortization related to assets under finance leases at March 31, 2026 and December 31, 2025, respectively.