XML 54 R44.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Business Segment Information - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Mar. 31, 2016 | Jun. 30, 2016
Segment Reporting Information [Line Items] |  |  |
Contract related intangible asset impairment |  |  | $ 5.1
Business interruption insurance proceeds |  |  | 3.4
Real Estate Management And Development | Customer Relationships |  |  |
Segment Reporting Information [Line Items] |  |  |
Contract related intangible asset impairment |  | $ 5.1 | 5.1
Chemicals |  |  |
Segment Reporting Information [Line Items] |  |  |
Business interruption insurance proceeds | $ 1.4 |  | $ 3.4
Kronos Worldwide, Inc. |  |  |
Segment Reporting Information [Line Items] |  |  |
Direct ownership percentage by parent | 50.00% |  | 50.00%
Indirect controlling interest in subsidiary | 30.00% |  | 30.00%
NL |  |  |
Segment Reporting Information [Line Items] |  |  |
Direct ownership percentage by parent | 83.00% |  | 83.00%
LandWell |  |  |
Segment Reporting Information [Line Items] |  |  |
Direct ownership percentage by parent | 27.00% |  | 27.00%
Indirect controlling interest in subsidiary | 50.00% |  | 50.00%
BMI |  |  |
Segment Reporting Information [Line Items] |  |  |
Direct ownership percentage by parent | 63.00% |  | 63.00%
BMI | Real Estate Management And Development |  |  |
Segment Reporting Information [Line Items] |  |  |
Direct ownership percentage by parent | 63.00% |  | 63.00%

X
- Definition The net amount (to the extent disclosed within this portion of the income statement) by which an insurance settlement exceeds incremental costs incurred from the event causing an interruption of business, plus the insurance award for earnings lost from the event, such as a natural catastrophe, explosion or fire. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64839914&loc=d3e16285-107787 + Details
Name: | us-gaap_GainOnBusinessInterruptionInsuranceRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
Name: | us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Controlling interest in subsidiary held indirectly through controlled subsidiary of parent. + References No definition available. + Details
Name: | vhi_IndirectControllingInterestInSubsidiary
Namespace Prefix: | vhi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vhi_RealEstateManagementAndDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=vhi_IndefiniteLivedCustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vhi_ChemicalsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=vhi_KronosMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=vhi_NLIndustriesIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=vhi_LandWellMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=vhi_BasicManagementIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |