Property, Plant and Equipment, Net - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Property Plant And Equipment [Line Items]
Depreciation and amortization			$ 42,271	$ 40,366	[1]
Effect of Reclassification of Foreign Exchange (Gains) Losses
Property Plant And Equipment [Line Items]
Depreciation and amortization	$ (517)	$ 147	(1,211)	614
Depreciation Expense on Property, Plant And Equipment
Property Plant And Equipment [Line Items]
Depreciation and amortization	11,479	11,334	32,692	33,990
Computer Software Amortization
Property Plant And Equipment [Line Items]
Depreciation and amortization	$ 2,963	$ 2,182	$ 8,368	$ 6,990

[1] Income taxes, net income and cash flows for the nine months ended September 30, 2016 have been restated due to the adoption of ASU No. 2016-09 in 2016 with effect from January 1, 2016.