Other Income (Expense) - Schedule of Other Income (Expense) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other Income (Expense) [Abstract]
Foreign currency transaction gains (losses)	$ (2,924)	$ (1,740)	$ (5,962)
Gains (losses) on foreign currency derivative instruments not designated as hedges	1,374	(44)	4,216
Gains (losses) on liquidation of foreign subsidiaries	(647)
Other miscellaneous income (expense)	(287)	441	985
Other income (expense)	$ (2,484)	$ (1,343)	$ (761)