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Investment in Affiliates and Other Assets - Additional Information (Detail) (Subsequent Event, Collateral Trust, Waste Control Specialists, USD $) In Millions, unless otherwise specified | 1 Months Ended
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Apr. 30, 2014
Subsequent Event | Collateral Trust | Waste Control Specialists |
Other Noncurrent Assets [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
Name: | us-gaap_DecreaseInRestrictedCash
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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