v3.26.1
Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Current Assets:    
Cash and Cash Equivalents $ 473,204 $ 432,174
Accounts and Notes Receivable:    
Trade Receivables, net 355,337 349,233
Other Receivables, net 85,192 53,928
Inventories 381,187 374,759
Other Current Assets 79,751 130,128
Total Current Assets 1,374,671 1,340,222
Total Property, Plant and Equipment—Net 4,352,248 4,386,882
Other Assets:    
Funds for Asset Retirement Obligations 152,601 148,874
Pension Benefits 53,049 49,618
Other Noncurrent Assets, net 189,784 204,457
Total Other Assets 395,434 402,949
Total Assets 6,122,353 6,130,053
Current Liabilities:    
Accounts Payable 328,658 335,623
Current Portion of Long-Term Debt 42,468 98,328
Other Accrued Liabilities 381,918 404,338
Total Current Liabilities 753,044 838,289
Long-Term Liabilities:    
Long-Term Debt 405,181 354,160
Postretirement Benefits Other Than Pensions 185,359 186,843
Pneumoconiosis Benefits 256,846 261,201
Asset Retirement Obligations 483,447 496,002
Workers’ Compensation 71,273 70,457
Pension Benefits 20,886 21,111
Deferred Income Taxes 146,839 130,113
Other Noncurrent Liabilities 80,601 93,643
Total Long-Term Liabilities 1,650,432 1,613,530
Total Liabilities 2,403,476 2,451,819
Commitments and Contingent Liabilities (Note 14)
Stockholders' Equity:    
Common Stock, $0.01 Par Value; 125,000,000 Shares Authorized, 49,849,902 Shares Issued and Outstanding at June 30, 2026; 50,975,185 Shares Issued and Outstanding at December 31, 2025 498 510
Capital in Excess of Par Value 2,967,266 2,982,077
Retained Earnings 871,639 818,476
Accumulated Other Comprehensive Loss (120,526) (122,829)
Total Stockholders’ Equity 3,718,877 3,678,234
Total Liabilities and Stockholders’ Equity $ 6,122,353 $ 6,130,053