Business Segments - Information on Company's Business Segments (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Sales to external customers	$ 937,914	$ 869,016	$ 909,145	$ 902,051	$ 875,434	$ 855,656	$ 879,304	$ 862,497	$ 3,618,126	$ 3,472,891	$ 3,342,804
Intersegment sales									0	0	0
Segment profit (loss)									213,100	194,760	152,988
Net interest expense included in segment profit									42,112	41,389	38,331
Depreciation and amortization expense									138,088	122,660	114,427
Capital expenditures									186,795	164,368	166,267
Segment assets	2,725,648				2,491,702				2,725,648	2,491,702
Reportable Geographical Components [Member] | North America [Member]
Segment Reporting Information [Line Items]
Sales to external customers									1,882,670	1,816,486	1,778,621
Intersegment sales									13,760	13,325	14,058
Segment profit (loss)									236,165	219,744	215,487
Net interest expense included in segment profit									16,824	13,013	12,262
Depreciation and amortization expense									66,734	57,546	54,160
Capital expenditures									67,333	61,321	64,933
Segment assets	1,049,218				985,809				1,049,218	985,809
Reportable Geographical Components [Member] | Europe [Member]
Segment Reporting Information [Line Items]
Sales to external customers									1,043,738	1,031,538	1,033,635
Intersegment sales									15,985	13,524	11,693
Segment profit (loss)									(18,872)	(15,989)	(22,435)
Net interest expense included in segment profit									12,287	13,871	13,648
Depreciation and amortization expense									40,899	37,992	36,845
Capital expenditures									45,881	57,054	46,766
Segment assets	644,586				582,385				644,586	582,385
Reportable Geographical Components [Member] | Asia Pacific [Member]
Segment Reporting Information [Line Items]
Sales to external customers									585,161	540,684	435,127
Intersegment sales									5,256	4,770	6,166
Segment profit (loss)									9,943	9,206	4,063
Net interest expense included in segment profit									11,884	13,720	10,227
Depreciation and amortization expense									27,085	24,635	18,856
Capital expenditures									51,182	33,818	43,276
Segment assets	686,329				611,849				686,329	611,849
Reportable Geographical Components [Member] | South America [Member]
Segment Reporting Information [Line Items]
Sales to external customers									106,557	84,183	95,421
Intersegment sales									49	31	49
Segment profit (loss)									(14,136)	(18,201)	(44,127)
Net interest expense included in segment profit									1,117	785	2,194
Depreciation and amortization expense									3,370	2,487	4,566
Capital expenditures									4,919	2,064	2,783
Segment assets	54,846				46,125				54,846	46,125
Eliminations and other [Member]
Segment Reporting Information [Line Items]
Intersegment sales									(35,050)	(31,650)	(31,966)
Capital expenditures									17,480	10,111	$ 8,509
Segment assets	$ 290,669				$ 265,534				$ 290,669	$ 265,534