Accrued Liabilities - Components of Accrued Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Payables and Accruals [Abstract]
Payroll and employee related	$ 74,920	$ 80,633
Product liability	58,054	74,018
Other postretirement benefits	15,048	15,929
Advertising	14,281	12,351
Warranty	5,699	6,311
Other	15,802	10,126
Accrued liabilities	$ 183,804	$ 199,368