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Other income, net - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Other income, net [Line Items] |  |  |
Infrastructure reimbursement | $ 31.7 | $ 25.5 | $ 16.0
Insurance recoveries | 1.4 | 3.0 | 2.8
Net proceeds | 5.6 | 1.8 |
Pre-tax gain on sale of land | 0.5 | 1.5 |
Kronos Worldwide |  |  |
Other income, net [Line Items] |  |  |
Insurance recoveries |  | 2.5 | 2.7
LandWell |  |  |
Other income, net [Line Items] |  |  |
Infrastructure reimbursement | 1.4 | 0.3 | 0.8
NL Industries |  |  |
Other income, net [Line Items] |  |  |
Insurance recoveries | $ 1.4 | $ 0.5 | $ 0.1

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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
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- Definition The cash inflow from the sale of land held for investment; excludes sales of land held as inventory or productive use. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12 + Details
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- Definition Infrastructure development cost reimbursed. + References No definition available. + Details
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- Details
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