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Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net sales	$ 97,872	$ 96,265	$ 190,475	$ 196,522
Cost of products sold	71,727	73,025	143,135	150,385
Gross profit	26,145	23,240	47,340	46,137
Selling, general and administrative expenses	14,651	13,702	28,865	27,371
Operating income	11,494	9,538	18,475	18,766
Other income, net	313	94	652	125
Income before income taxes	11,807	9,632	19,127	18,891
Income taxes	3,959	3,012	6,214	5,989
Net income	$ 7,848	$ 6,620	$ 12,913	$ 12,902
Earnings per share (in dollars per share)	$ 0.30	$ 0.25	$ 0.49	$ 0.49
Cash dividends per share (in dollars per share)	$ 0.115	$ 0.105	$ 0.23	$ 0.21
Average number of shares outstanding (in shares)	26,096,881	26,083,623	26,095,013	26,083,623

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