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Other Noncurrent Liabilities - Summary of Other Noncurrent Liabilities (Detail) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Other Liabilities Disclosure [Abstract]    
Reserve for uncertain tax positions $ 12,186 $ 16,832
Insurance claims and expenses 634 589
Other 847 921
Total $ 13,667 $ 18,342