Other Current Liabilities - Schedule of Other Current Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Other Liabilities, Current [Abstract]
Accrued payrolls and bonuses	$ 121,080	$ 88,361
Rebates and incentives payable	44,175	37,218
Value-added tax payable	23,253	17,856
Interest payable	36,823	15,863
Current pension and other postretirement benefit obligation	11,528	12,866
Accrued insurance (including workers’ compensation)	9,447	10,771
Earn outs payable	29,974	0
Restructuring and other charges	5,200	7,957	$ 3,277	$ 7,882
Accrued income taxes	24,356	22,190
Other	224,672	156,112
Total	$ 530,508	$ 369,194