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Long-Term Debt - Aggregate Maturities of Long-Term Debt (Detail) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
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Disclosure Longterm Debt Aggregate Maturities Of Long Term Debt [Abstract] |  |
Total debt | $ 561.5 | $ 559.5

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- Definition Amount of long-term debt and lease obligation, including portion classified as current. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Disclosure longterm debt aggregate maturities of long term debt. + References No definition available. + Details
Name: | vhi_DisclosureLongtermDebtAggregateMaturitiesOfLongTermDebtAbstract
Namespace Prefix: | vhi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration