XML 123 R49.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Business and Geographic Segments - Holding Percentage of Subsidiaries (Detail) | Dec. 31, 2013
--- | ---
Kronos Worldwide, Inc. |
Segment Reporting Information [Line Items] |
Controlling interest in business segments | 80.00%
CompX |
Segment Reporting Information [Line Items] |
Controlling interest in business segments | 87.00%
WCS |
Segment Reporting Information [Line Items] |
Controlling interest in business segments | 100.00%

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
- Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration