Accrued liabilities consisted of the following: | | | | | | | | | | | | | | | | | June 30, 2026 | | December 31, 2025 | | | | | | | | (Dollars in millions) | | Accrued benefits | | $ | 25.6 | | | $ | 25.1 | | | Current portion of postretirement benefit obligation | | 1.0 | | | 1.0 | | | Other taxes payable | | 19.9 | | | 16.6 | | | Current portion of black lung liability | | 0.9 | | | 0.9 | | | Short-term operating lease liabilities | | 2.3 | | | 2.8 | | | Short-term financing lease liabilities | | 2.0 | | | 3.8 | | | Other | | 17.8 | | | 10.6 | | | Total accrued liabilities | | $ | 69.5 | | | $ | 60.8 | |
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