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Accrued and Other Current Liabilities - Schedule of Accrued and Other Current Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Payables And Accruals [Abstract]    
Employee benefits $ 4,214 $ 7,611
Professional fees and legal settlements 3,128 2,805
Income taxes payable to Valhi   270
Other 2,078 2,063
Total $ 9,420 $ 12,749