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Long-Term Debt - Revolving Credit Facility - Additional Information (Detail) - Kronos Worldwide, Inc. € in Millions, $ in Millions | Sep. 30, 2015 USD ($) | Sep. 30, 2015 EUR (€)
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Foreign Line of Credit | Europe |  |
Line Of Credit Facility [Line Items] |  |
Amount available for borrowing | $ 42.2 | € 37.7
Percentage of borrowings available under credit facility | 31.00% | 31.00%
Revolving North American credit facility |  |
Line Of Credit Facility [Line Items] |  |
Amount available for borrowing | $ 79.2 |

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- 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
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- 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
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- Details
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