Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Consolidated Statements Of Income [Abstract]
Sales	$ 731,302	$ 599,658	$ 2,087,514	$ 1,749,624
Cost of sales	676,008	554,218	1,923,346	1,622,983
Gross profit	55,294	45,440	164,168	126,641
Selling, general and administrative expenses	31,219	24,501	88,072	70,211
Restructuring charges and integration and acquisition-related costs	2,160	1,214	6,176	7,323
Asset impairment charge and other	0	0	0	2,606
Thailand flood related items, net of insurance	0	(9,748)	(1,571)	(9,748)
Income from operations	21,915	29,473	71,491	56,249
Interest expense	(494)	(481)	(1,443)	(1,403)
Interest income	535	292	1,718	997
Other income (expense)	(1,105)	745	(980)	560
Income before income taxes	20,851	30,029	70,786	56,403
Income tax expense	3,695	6,303	12,355	12,733
Net income	$ 17,156	$ 23,726	$ 58,431	$ 43,670
Earnings per share:
Basic	$ 0.32	$ 0.44	$ 1.09	$ 0.80
Diluted	$ 0.32	$ 0.43	$ 1.07	$ 0.80
Weighted-average number of shares outstanding:
Basic	53,660	54,087	53,712	54,361
Diluted	54,265	54,611	54,387	54,868