Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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- Definition

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- Definition

Amount of accumulated impairment loss for asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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- Definition

Amount, after impairment and amortization, of goodwill, indefinite-lived, and finite-lived intangible assets.

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Intangibles (Net of Amortization) and Goodwill (Narrative) (Details) - USD ($)	Jun. 30, 2025	Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Net carrying amount of intangibles and goodwill	$ 737,873,000	$ 750,424,000
Accumulated goodwill impairment	0	$ 0
Petroleum Additives [Member]
Finite-Lived Intangible Assets [Line Items]
Net carrying amount of intangibles and goodwill	125,000,000
Specialty Materials [Member]
Finite-Lived Intangible Assets [Line Items]
Net carrying amount of intangibles and goodwill	$ 613,000,000
Formulas And Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated economic life, in years	8 years
Customer Bases [Member] \| Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated economic life, in years	17 years 6 months
Customer Bases [Member] \| Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated economic life, in years	20 years
Trademarks and Trade Names
Finite-Lived Intangible Assets [Line Items]
Estimated economic life, in years	15 years