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Business Combinations, Discontinued Operations and Related Transactions - Recognition Based on Final Asset Allocation (Parenthetical) (Detail) (Deferred Payment, Basic Management Inc And Landwell, Face Value, USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013
Deferred Payment | Basic Management Inc And Landwell | Face Value |
Business Combinations Discontinued Operations And Related Transactions [Line Items] |
Business combination consideration - liability incurred | $ 11.1 us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred / us-gaap_BusinessAcquisitionAxis = vhi_BasicManagementIncAndLandwellMember / us-gaap_FinancialInstrumentAxis = vhi_DeferredPaymentMember / us-gaap_ValuationTechniqueAxis = vhi_FaceValueMember

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- Definition Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6405-128476 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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- Details
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