Other Current Liabilities - Summary of Other Current Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Other Liabilities Current [Abstract]
Accrued payroll and benefits	$ 39,375	$ 48,306
Other accrued compensation and retirement benefits	7,864	6,828
Income taxes payable	1,927	211
Accrued rebates	16,126	14,329
Other accrued expenses	45,930	49,576
Total	$ 111,222	$ 119,250