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
Net sales	$ 155,955	$ 134,970	$ 290,118	$ 234,713
Cost of goods sold	(140,920)	(120,246)	(262,114)	(209,484)
Gross margin	15,035	14,724	28,004	25,229
Other operating income (expense):
Selling expense	(1,983)	(1,792)	(3,798)	(3,501)
General and administrative expense	(4,260)	(4,006)	(7,724)	(7,881)
Defined benefit pension credit	4,750	1,209	9,500	2,421
Other postretirement benefit credit	1,299	1,345	2,599	2,687
Total other operating income (expense)	(194)	(3,244)	577	(6,274)
Operating income	14,841	11,480	28,581	18,955
Nonoperating income (expense):
Interest expense	(328)	(622)	(603)	(1,065)
Other income, net	425	83	548	147
Total nonoperating income (expense)	97	(539)	(55)	(918)
Income before income taxes	14,938	10,941	28,526	18,037
Provision for income taxes	(5,942)	(4,192)	(11,847)	(6,913)
Net income	$ 8,996	$ 6,749	$ 16,679	$ 11,124
Basic and diluted income per share	$ 0.74	$ 0.56	$ 1.38	$ 0.92
Basic and diluted weighted average shares outstanding	12,102	12,102	12,102	12,102