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Investment in Affiliates and Other Assets - Additional Information (Detail) (Collateral Trust, Waste Control Specialists, USD $) In Millions, unless otherwise specified | 1 Months Ended
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Apr. 30, 2014
Collateral Trust | Waste Control Specialists |
Disclosure - Investment in Affiliates and Other Assets - Additional Information (Detail) [Line Items] |
Decrease in restricted cash | $ 18.0

X
- Definition Amount of cash inflow associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
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Namespace Prefix: | vhi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration