Long-Term Debt - Term Loan - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended	9 Months Ended			1 Months Ended	9 Months Ended	1 Months Ended			1 Months Ended					9 Months Ended
	Feb. 28, 2013	Sep. 30, 2013	Sep. 30, 2013	Feb. 20, 2014 Contran	Feb. 28, 2013 Contran	Feb. 28, 2014 New Term Loan	Sep. 30, 2014 New Term Loan	Feb. 28, 2014 New Term Loan U.S. wholly-owned subsidiaries	Feb. 28, 2014 New Term Loan Canadian First-Tier European Subsidiaries	Feb. 28, 2014 New Term Loan Kronos International, Inc	Feb. 28, 2014 New Term Loan London Interbank Offered Rate (LIBOR)	Feb. 28, 2014 New Term Loan Base Rate	Feb. 28, 2014 New Term Loan Contran	Jul. 31, 2013 Term Loan	Feb. 28, 2013 Term Loan	Sep. 30, 2014 Term Loan	Dec. 31, 2012 Term Loan
Debt Instrument [Line Items]
Payment of Principal Amount													$ 170,000,000	$ 100,000,000	$ 290,000,000
Debt instrument face amount						350,000,000											400,000,000
Principal amount percentage of loan raised						99.50%
Aggregate amount of loan issued						348,250,000
Minimum LIBOR rate						1.00%
Debt instrument basis spread on variable rate											3.75%	2.75%
Quarterly principal repayments						875,000
Commencement date of quarterly principal repayments						Jun. 30, 2014
Remaining outstanding principal maturity date						Feb. 28, 2020
Long term debt prepayments terms							Voluntary principal prepayments are permitted at any time, provided that a call premium of 1% of the principal amount of such prepayment applies to any voluntary prepayment made on or before February 2015 (there is no prepayment penalty applicable to any voluntary prepayment after February 2015)
Call premium percentage						1.00%
Voluntary prepayment, earliest date						Feb. 28, 2015
Term Loan Collateralized Priority								100.00%	65.00%
Loan pledged as collateral from wholly-owned subsidiary										395,700,000
Minimum amount of debt default for using customary default provisions						50,000,000
Percentage of average interest rate, during period																4.75%
Unamortized discount balance																1,600,000
Loss on prepayment of debt, net	(6,600,000)	(2,300,000)	(8,900,000)
Cash on hand used to repay term loan															100,000,000
Borrowing for prepayment of term loan					$ 190,000,000
Percentage of average interest rate				7.375%