Restructuring - Summary of Restructuring Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring	$ 10,430	$ 8,540	$ 33,468	$ 34,809
North America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	306	1,342	1,661	3,062
Europe [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	9,691	7,134	30,184	31,683
Asia Pacific [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	$ 433	$ 64	$ 1,623	$ 64