| Cash Flow | 2026-03-31 | 2025-12-31 | 2025-09-30 | 2025-06-30 |
|---|---|---|---|---|
| Total revenues | NaN | 2,129,481 | NaN | NaN |
| Non-gaap cost of coal sales | NaN | 1,562,012 | NaN | NaN |
| Freight and handling costs | NaN | 333,691 | NaN | NaN |
| Idled and closed mine costs | NaN | 28,988 | NaN | NaN |
| Total revenues | -1,084,022 | NaN | 1,609,009 | NaN |
| Cost of coal sales (exclusive of items shown separately below) | NaN | 1,924,691 | NaN | NaN |
| Non-gaap cost of coal sales | -789,880 | NaN | 1,178,183 | NaN |
| Depreciation, depletion and amortization | NaN | 174,524 | NaN | NaN |
| Freight and handling costs | -174,747 | NaN | 250,961 | NaN |
| Accretion on asset retirement obligations | NaN | 22,126 | NaN | NaN |
| Idled and closed mine costs | -7,156 | NaN | 17,028 | NaN |
| Amortization of acquired intangibles | NaN | 5,427 | NaN | NaN |
| Cost of coal sales (exclusive of items shown separately below) | -971,783 | NaN | 1,446,172 | NaN |
| Selling, general and administrative expenses | NaN | 60,158 | NaN | NaN |
| Depreciation, depletion and amortization | -92,705 | NaN | 132,631 | NaN |
| Interest expense | NaN | 3,019 | NaN | NaN |
| Accretion on asset retirement obligations | -11,410 | NaN | 16,625 | NaN |
| Interest income | NaN | 15,466 | NaN | NaN |
| Amortization of acquired intangibles | -3,195 | NaN | 4,071 | NaN |
| Equity loss in affiliates | NaN | -24,867 | NaN | NaN |
| Selling, general and administrative expenses | -29,739 | NaN | 46,337 | NaN |
| Other segment items | NaN | 17,594 | NaN | NaN |
| Interest expense | -1,448 | NaN | 2,289 | NaN |
| Interest income | -7,987 | NaN | 12,193 | NaN |
| Equity loss in affiliates | 14,203 | NaN | -19,936 | NaN |
| Other segment items | -11,599 | NaN | 13,572 | NaN |
| Income tax (benefit) expense | NaN | -25,772 | NaN | NaN |
| Income tax benefit | 10,689 | NaN | -16,015 | NaN |
| Total other expenses | 61,630 | 59,224 | 207,253 | NaN |
| Net loss | -11,032 | -17,271 | -5,515 | -38,901 |
| Depreciation, depletion and amortization | 39,926 | 41,893 | 43,899 | 88,732 |
| Amortization of acquired intangibles | 876 | 1,356 | 1,357 | 2,714 |
| Amortization of debt issuance costs and accretion of debt discount | NaN | NaN | 310 | 579 |
| Loss on extinguishment of debt | NaN | 0 | NaN | NaN |
| Gain on disposal of assets, net | 2,053 | -184 | -722 | -138 |
| Accretion on asset retirement obligations | 5,215 | 5,501 | 5,503 | 11,122 |
| Employee benefit plans, net | 6,266 | 4,028 | 7,741 | 11,628 |
| Deferred tax benefit | -5,329 | -7,743 | -3,334 | -12,663 |
| Stock-based compensation | 3,736 | 3,193 | 2,950 | 7,455 |
| Equity loss in affiliates | -5,733 | -4,931 | -6,240 | -13,696 |
| Other, net | 2,476 | 605 | -1,840 | -214 |
| Trade accounts receivable, net | NaN | -83,399 | NaN | NaN |
| Inventories, net | NaN | 21,495 | NaN | NaN |
| Prepaid expenses and other current assets | NaN | 3,128 | NaN | NaN |
| Deposits | NaN | -183 | NaN | NaN |
| Other non-current assets | NaN | -356 | NaN | NaN |
| Trade accounts payable | NaN | -29,141 | NaN | NaN |
| Accrued expenses and other current liabilities | NaN | -10,825 | NaN | NaN |
| Acquisition-related obligations | NaN | 0 | NaN | NaN |
| Workers compensation and black lung obligations | NaN | -19,959 | NaN | NaN |
| Pension obligations | NaN | -16,966 | NaN | NaN |
| Asset retirement obligations | NaN | -14,721 | NaN | NaN |
| Other non-current liabilities | NaN | -884 | NaN | NaN |
| Changes in operating assets and liabilities | 409 | NaN | 7,485 | 8,874 |
| Net cash provided by operating activities | 29,046 | 18,966 | 50,548 | 75,412 |
| Capital expenditures | 40,668 | 28,957 | 25,104 | 73,092 |
| Capital contributions to equity affiliates | 13,403 | 9,741 | 4,896 | 23,509 |
| Proceeds from disposal of assets | NaN | 164 | 6 | 95 |
| Cash paid for business acquired | NaN | 0 | NaN | NaN |
| Purchases of investment securities | 27,826 | 18,184 | 58,670 | 29,303 |
| Sales and maturities of investment securities | 28,240 | 18,426 | 18,109 | 30,630 |
| Other, net | -62 | -9 | -30 | -12 |
| Net cash used in investing activities | -53,595 | -38,283 | -70,525 | -95,167 |
| Principal repayments of long-term debt | 915 | 603 | 497 | 865 |
| Debt issuance costs | NaN | NaN | 17 | 2,142 |
| Dividend and dividend equivalents paid | NaN | 0 | 0 | 415 |
| Common stock repurchases and related expenses | 22,901 | 20,002 | 19,998 | 5,155 |
| Other, net | -72 | -3,667 | -329 | -696 |
| Net cash used in financing activities | -23,888 | -22,113 | -20,841 | -9,273 |
| Net decrease in cash and cash equivalents and restricted cash | -48,437 | -41,430 | -40,818 | -29,028 |
| Cash and cash equivalents and restricted cash at beginning of period | 492,885 | 534,315 | 604,161 | NaN |
| Cash and cash equivalents and restricted cash at end of period | 444,448 | 492,885 | 534,315 | NaN |
Alpha Metallurgical Resources, Inc. (AMR)
Alpha Metallurgical Resources, Inc. (AMR)