Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements Of Income [Abstract]
Sales	$ 2,468,150	$ 2,253,030	$ 2,402,143
Cost of sales	2,291,412	2,114,195	2,214,728
Gross profit	176,738	138,835	187,415
Selling, general and administrative expenses	89,951	89,665	92,245
Restructuring charges	2,200	4,515	6,724
Thailand flood related charges, net of insurance	9,028	3,362
Income from operations	75,559	41,293	88,446
Interest expense	(1,580)	(1,327)	(1,362)
Interest income	1,306	1,768	1,621
Other income (expense)	154	(602)	(1,689)
Income before income taxes	75,439	41,132	87,016
Income tax expense (benefit)	18,832	(10,827)	7,258
Net income	$ 56,607	$ 51,959	$ 79,758
Earnings per share:
Basic	$ 1.01	$ 0.88	$ 1.28
Diluted	$ 1.00	$ 0.87	$ 1.27
Weighted-average number of shares outstanding:
Basic	56,320	59,284	62,141
Diluted	56,634	59,773	62,692