Contingencies (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Contingencies | |||
| Environmental liabilities | $ 26.0 | ||
| Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration] | Accrued Liabilities, Current, Other Liabilities, Noncurrent | ||
| Environmental remediation expenses | $ 4.5 | $ 0.8 | $ 23.3 |
| Environmental Remediation Expense, before Recovery, Statement of Income or Comprehensive Income [Extensible Enumeration] | Restructuring and Related Cost, Incurred Cost | Restructuring and Related Cost, Incurred Cost | Restructuring and Related Cost, Incurred Cost |
| Recovery of direct costs | $ 157.4 | ||
| Proceeds from legal settlements | $ 62.2 | ||
| Huntsville Site | |||
| Contingencies | |||
| Environmental remediation expense to date | 9.5 | ||
| Project expenditures, low estimate | 4.9 | ||
| Project expenditures, high estimate | 16.6 | ||
| Norco Site | |||
| Contingencies | |||
| Environmental remediation expense to date | 89.1 | ||
| Project expenditures, low estimate | 21.1 | ||
| Project expenditures, high estimate | $ 38.5 | ||
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- Definition High-end of the range estimate of the loss exposure for reasonably possible environmental contingencies at an individual site. No definition available.
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- Definition Low-end of the range estimate of the loss exposure for reasonably possible environmental contingencies at an individual site. No definition available.
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- Definition Environmental Remediation Expense To Date. No definition available.
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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Indicates line item in statement of financial position that includes accrual for environmental loss contingency. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before recovery, of expense for known and estimated future costs arising from requirement to perform environmental remediation. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Indicates line item in statement of income or comprehensive income that includes environmental remediation expense before recovery. Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
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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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- Definition Cash received for the settlement of litigation during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Return of or reimbursements received in relation to direct costs and expenses previously paid or incurred. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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