Restructuring - Summary of Activity of Restructuring (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring	$ 7,429	$ 3,756	$ 26,269	$ 6,845
Europe Facilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance			10,824
Restructuring	6,126	3,962	24,500	6,394
Cash payments and foreign exchange translation			(11,611)
Restructuring Reserve, Ending Balance	23,713		23,713
Employee Separation Costs [Member] | Europe Facilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance			10,824
Restructuring	1,063	1,043	15,067	1,043
Cash payments and foreign exchange translation			(3,585)
Restructuring Reserve, Ending Balance	22,306		22,306
Other Exit Costs [Member] | Europe Facilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance			0
Restructuring	4,635	2,919	9,005	5,351
Cash payments and foreign exchange translation			(7,598)
Restructuring Reserve, Ending Balance	1,407		1,407
Asset Impairments [Member] | Europe Facilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance			0
Restructuring	428	$ 0	428	$ 0
Cash payments and foreign exchange translation			(428)
Restructuring Reserve, Ending Balance	$ 0		$ 0