Other Current Liabilities - Schedule of Other Current Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Other Liabilities, Current [Abstract]
Accrued payrolls and bonuses	$ 88,361	$ 64,357
Rebates and incentives payable	37,218	21,471
Value-added tax payable	17,856	15,567
Interest payable	15,863	17,173
Current pension and other postretirement benefit obligation	12,866	10,630
Accrued insurance (including workers’ compensation)	10,771	10,798
Restructuring and other charges	7,957	3,277	$ 7,882	$ 759
Litigation accrual	0	55,000
Accrued income taxes	22,190	617
Other	156,112	115,398
Total	$ 369,194	$ 314,288