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Long-Term Debt - Term Loan - Additional Information (Detail) - USD ($) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
May 31, 2015 | Feb. 28, 2014 | Dec. 31, 2016 | Dec. 31, 2015
New Term Loan |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument face amount |  | $ 350,000,000 |  |
Principal amount percentage of loan raised |  | 99.50% |  |
Aggregate amount of loan issued |  | $ 348,300,000 |  |
Minimum LIBOR rate |  | 1.00% |  |
Quarterly principal repayments |  | $ 875,000 |  |
Commencement date of quarterly principal repayments |  | Jun. 30, 2014 |  |
Debt instrument maturity date |  | Feb. 29, 2020 |  |
Minimum amount of debt default for using customary default provisions |  | $ 50,000,000 |  |
New Term Loan | U.S. wholly-owned subsidiaries |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Term Loan Collateralized Priority |  | 100.00% |  |
New Term Loan | Canadian First-Tier European Subsidiaries |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Term Loan Collateralized Priority |  | 65.00% |  |
New Term Loan | Kronos International, Inc |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Loan pledged as collateral from wholly-owned subsidiary |  | $ 395,700,000 |  |
New Term Loan | London Interbank Offered Rate (LIBOR) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument basis spread on variable rate |  | 3.00% |  |
New Term Loan | Base Rate |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument basis spread on variable rate |  | 2.00% |  |
New Term Loan | Contran |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Payment of Principal Amount |  | $ 170,000,000 |  |
Term Loan | 2014 Term Loan, Amended 2015 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Fee in connection with amendment | $ 750,000 |  |  |
Percentage of average interest rate, during period |  |  | 4.00% |
Percentage of average interest rate, at period end |  |  | 4.00% |
Unamortized discount |  |  | $ 900,000 | $ 1,200,000
Debt Issuance Cost |  |  | $ 3,600,000 | $ 4,700,000
Term Loan | London Interbank Offered Rate (LIBOR) | 2014 Term Loan |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument basis spread on variable rate |  | 3.75% |  |
Term Loan | Base Rate | 2014 Term Loan |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument basis spread on variable rate |  | 2.75% |  |

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