XML 72 R62.htm IDEA: XBRL DOCUMENT
v3.21.2

Income Taxes - Additional Information (Detail) - USD ($) $ in Millions |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
Mar. 27, 2020 | Mar. 26, 2020 | Mar. 31, 2020 | Jun. 30, 2021
Income Tax Disclosure [Abstract] |  |  |  |
Business interest income, adjusted taxable income |  | 30.00% |  |
CARES act of 2020, Business interest income, adjusted taxable income | 50.00% |  |  |
Cash tax benefit recognized |  |  | $ 1.0 |
Decrease in unrecognized tax benefits due to the expiration of certain statutes of limitations |  |  |  | $ 4.0

X
- References No definition available. + Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Cash tax benefit. + References No definition available. + Details
Name: | vhi_CashTaxBenefit
Namespace Prefix: | vhi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Coronavirus aid relief and economic security act effective income tax rate reconciliation deduction of interest income. + References No definition available. + Details
Name: | vhi_CoronavirusAidReliefAndEconomicSecurityActEffectiveIncomeTaxRateReconciliationDeductionOfInterestIncome
Namespace Prefix: | vhi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax cuts and jobs act of 2017 effective income tax rate reconciliation, deduction of interest income. + References No definition available. + Details
Name: | vhi_TaxCutsAndJobsActOf2017EffectiveIncomeTaxRateReconciliationDeductionOfInterestIncome
Namespace Prefix: | vhi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration