Business Segments - Information on Company's Business Segments (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Segment Reporting Information [Line Items]
Sales to external customers	$ 764,057	$ 684,029	$ 2,296,341	$ 2,183,794
Intersegment sales
Segment profit (loss)	24,753	15,750	90,865	77,514
Restructuring	1,907	10,171	7,755	15,758
Segment assets	2,093,517		2,093,517		2,025,977
Reportable Geographical Components [Member] | North America [Member]
Segment Reporting Information [Line Items]
Sales to external customers	408,615	363,859	1,191,521	1,139,273
Intersegment sales	2,121	1,646	8,959	5,979
Segment profit (loss)	31,726	32,790	103,158	113,922
Restructuring	73	276	1,961	755
Segment assets	878,213		878,213		772,269
Reportable Geographical Components [Member] | Europe [Member]
Segment Reporting Information [Line Items]
Sales to external customers	258,028	227,556	806,182	780,780
Intersegment sales	2,440	2,107	6,837	6,489
Segment profit (loss)	(7,500)	(19,319)	(14,784)	(33,442)
Restructuring	1,517	9,802	5,476	14,715
Segment assets	613,907		613,907		593,340
Reportable Geographical Components [Member] | South America [Member]
Segment Reporting Information [Line Items]
Sales to external customers	43,069	39,208	138,746	107,282
Intersegment sales		37		159
Segment profit (loss)	(1,838)	(1,028)	(5,760)	(6,413)
Restructuring
Segment assets	161,792		161,792		145,257
Reportable Geographical Components [Member] | Asia Pacific [Member]
Segment Reporting Information [Line Items]
Sales to external customers	54,345	53,406	159,892	156,459
Intersegment sales	3,013	2,091	7,434	6,105
Segment profit (loss)	2,365	3,307	8,251	3,447
Restructuring	317	93	318	288
Segment assets	249,829		249,829		223,801
Eliminations and other [Member]
Segment Reporting Information [Line Items]
Intersegment sales	(7,574)	(5,881)	(23,230)	(18,732)
Segment assets	$ 189,776		$ 189,776		$ 291,310