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v3.25.2

Business Segment Information - Schedule of Depreciation and Amortization Expense and Capital Expenditures (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Segment Reporting Information [Line Items] |  |  |  |
Depreciation and amortization expense | $ 28.6 | $ 28.7 | $ 57.4 | $ 62.0
Capital expenditures | 12.6 | 17.5 | 17.5 | 33.0
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Depreciation and amortization expense | 28.1 | 28.5 | 56.4 | 61.7
Capital expenditures | 12.5 | 17.5 | 17.4 | 32.6
Operating Segments | Domestic Coke |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Depreciation and amortization expense | 24.9 | 25.4 | 50.0 | 55.3
Capital expenditures | 4.5 | 16.5 | 6.6 | 31.0
Operating Segments | Logistics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Depreciation and amortization expense | 3.2 | 3.1 | 6.3 | 6.3
Capital expenditures | 8.0 | 1.0 | 10.7 | 1.6
Operating Segments | Brazil Coke |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Depreciation and amortization expense | 0.0 | 0.0 | 0.1 | 0.1
Capital expenditures | 0.0 | 0.0 | 0.1 | 0.0
Corporate and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Depreciation and amortization expense | 0.5 | 0.2 | 1.0 | 0.3
Capital expenditures | $ 0.1 | $ 0.0 | $ 0.1 | $ 0.4

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