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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
	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	$ 11.1us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred / us-gaap_BusinessAcquisitionAxis = vhi_BasicManagementIncAndLandwellMember / us-gaap_FinancialInstrumentAxis = vhi_DeferredPaymentMember / us-gaap_ValuationTechniqueAxis = vhi_FaceValueMember

X

- 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

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