Business Segments - Summary of Reconciles Adjusted EBITDA for Reportable Segments to Consolidated Loss Before Income Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Segment Reporting [Line Items] | ||||
| Total adjusted EBITDA for reportable segments | $ 66.9 | $ 42.6 | $ 194.3 | $ 259.4 |
| All other adjusted EBITDA | 1.1 | 0.6 | 1.4 | |
| Elimination of intersegment profit | (34.4) | (78.8) | (118.7) | (120.8) |
| Interest expense, net | (33.4) | (34.5) | (99.4) | (105.5) |
| Depreciation, depletion and amortization | (96.7) | (103.0) | (290.8) | (313.7) |
| Acquisition and integration costs | 0.0 | (0.2) | ||
| Other operating expense, net | (1.0) | (11.8) | (9.1) | (46.0) |
| Stock-based compensation | (2.1) | (4.2) | (7.6) | (7.3) |
| Loss on extinguishment of debt | (3.2) | (3.2) | ||
| Loss on investments, net | (6.8) | |||
| Loss before income taxes | (71.0) | (112.6) | (221.3) | (230.5) |
| Intersegment Eliminations | ||||
| Segment Reporting [Line Items] | ||||
| Elimination of intersegment profit | $ (2.6) | $ (2.3) | $ (6.9) | $ (10.4) |
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- Definition Acquisition and integration costs. No definition available.
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- Definition Adjusted EBITDA to net loss. No definition available.
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- Definition All other adjusted EBITDA. No definition available.
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expense for allocation of cost of tangible and intangible assets over their useful lives, and reduction in quantity of natural resource due to consumption directly used in production of good and rendering of service. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of realized and unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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