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Business Segment Information (Details)	Jun. 30, 2012
Chemicals [Member]
Holding Percentage of Subsidiaries
Controlling interest in business segments	80.00%
Component Products [Member]
Holding Percentage of Subsidiaries
Controlling interest in business segments	87.00%
Waste Management [Member]
Holding Percentage of Subsidiaries
Controlling interest in business segments	100.00%

X

- Definition

Percentage of voting equity interests acquired in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Balance Type:	na
Period Type:	instant

X

- Details

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Namespace Prefix:	vhi_
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