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Condensed Consolidated Statements Of Income (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net sales	$ 92,583	$ 92,159	$ 195,408	$ 176,233
Cost of products sold	69,842	67,910	145,993	130,598
Gross profit	22,741	24,249	49,415	45,635
Selling, general and administrative expenses	11,247	10,768	22,693	21,495
Operating income	11,494	13,481	26,722	24,140
Other income	316	110	504	221
Other expense	(223)	(176)	(257)	(318)
Income before income taxes	11,587	13,415	26,969	24,043
Income taxes	4,019	4,490	9,160	7,999
Net income	$ 7,568	$ 8,925	$ 17,809	$ 16,044
Earnings per share (in Dollars per share)	$ 0.36	$ 0.42	$ 0.85	$ 0.76
Cash dividends paid per share (in Dollars per share)	$ 0.100	$ 0.090	$ 0.190	$ 0.174
Average shares outstanding (in Shares)	20,990,893	20,984,893	20,990,893	20,984,893

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Aggregate dividends paid during the period for each share of common stock outstanding.

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