Condensed Consolidated Statements Of Income (USD $) In Thousands, except Per Share data	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Condensed Consolidated Statements Of Income
Sales	$ 585,549	$ 589,449	$ 1,123,861	$ 1,161,354
Cost of sales	547,798	543,195	1,048,486	1,069,863
Gross profit	37,751	46,254	75,375	91,491
Selling, general and administrative expenses	23,105	23,032	44,948	45,548
Restructuring charges	480	0	480	1,697
Income from operations	14,166	23,222	29,947	44,246
Interest expense	(331)	(340)	(663)	(679)
Interest income	443	447	847	814
Other income (expense)	731	(679)	296	(1,050)
Income before income taxes	15,009	22,650	30,427	43,331
Income tax expense	308	2,513	1,213	5,052
Net income	$ 14,701	$ 20,137	$ 29,214	$ 38,279
Earnings per share:
Basic	$ 0.24	$ 0.32	$ 0.48	$ 0.61
Diluted	$ 0.24	$ 0.32	$ 0.48	$ 0.60
Weighted-average number of shares outstanding:
Basic	60,159	62,695	60,537	63,047
Diluted	60,567	63,243	61,125	63,598

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