Other Income (Expense), Net (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Other Income and Expenses [Abstract]
Foreign currency (loss) gain	$ (1,120)	$ (2,277)	$ (13,802)	$ (3,309)
Equity income	1,021	1,594	1,950	2,223
Expected return on pension assets/amortization	1,789	3,027	5,165	6,050
Other miscellaneous expense (income)	487	(173)	636	(207)
Total other (expense) income, net	$ 2,177	$ 2,171	$ (6,051)	$ 4,757