XML 12 R54.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Long-Term Debt - Revolving Credit Facility - Additional Information (Detail) - Jun. 30, 2015 - Kronos Worldwide, Inc. € in Millions, $ in Millions | USD ($) | EUR (€)
--- | --- | ---
Foreign Line of Credit | Europe |  |
Line Of Credit Facility [Line Items] |  |
Amount available for borrowing | $ 61.5 | € 54.9
Percentage of borrowings available under credit facility | 46.00% | 46.00%
Revolving North American credit facility |  |
Line Of Credit Facility [Line Items] |  |
Amount available for borrowing | $ 87.2 |

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_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage of maximum current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References No definition available. + Details
Name: | vhi_BorrowingsAvailableUnderCreditFacilityInPercentage
Namespace Prefix: | vhi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_ForeignLineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_EuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=vhi_RevolvingNorthAmericanCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |