v3.3.0.814
Accrued Liabilities (Detail) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Accrued Liabilities, Current [Abstract]    
Sales volume discounts payable $ 12,721 $ 16,011
Property taxes payable 2,800 3,510
Commissions payable 1,826 2,064
Accrued salaries 4,464 4,800
Other accrued liabilities 1,111 1,806
Total accrued liabilities $ 22,922 $ 28,191