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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Organization And Basis Of Presentation [Line Items] |  |  |
Capitalized interest costs | $ 0.9 | $ 1.1 | $ 2.9
Income taxes paid, net | 6.6 | 1.4 | 17.5
Earnings of non-U.S. subsidiaries subject to permanent reinvestment plans aggregated | 660.0 |  |
Shipping and handling costs | 90.0 | 87.0 | 95.0
Research, development and certain sales technical support costs | $ 13.0 | 16.0 | 19.0
Louisiana Pigment Company, L.P. |  |  |
Organization And Basis Of Presentation [Line Items] |  |  |
Owned manufacturing joint venture | 50.00% |  |
Valhi Inc |  |  |
Organization And Basis Of Presentation [Line Items] |  |  |
Ownership percentage in subsidiary | 50.00% |  |
Ownership percentage in company | 83.00% |  |
Income taxes paid, net | $ 0.8 |  | $ 8.2
Income tax refunds, net |  | $ 3.5 |
NL Industries Inc. |  |  |
Organization And Basis Of Presentation [Line Items] |  |  |
Ownership percentage | 30.00% |  |
Contran |  |  |
Organization And Basis Of Presentation [Line Items] |  |  |
Ownership percentage of parent company held by related party | 93.00% |  |
Controlling interest description | Consequently, Ms. Simmons and Ms. Connelly may be deemed to control Contran, Valhi, NL and us. |  |

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