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Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues	$ 96,604	$ 92,603
Cost of products sold	70,398	70,351
Gross profit	26,206	22,252
Selling, general and administrative expenses	14,356	13,594
Operating income	11,850	8,658
Other income (expense), net	806	(1,338)
Income before income taxes	12,656	7,320
Income taxes	3,039	2,255
Net income	$ 9,617	$ 5,065
Earnings per share (in dollars per share)	$ 0.37	$ 0.19
Cash dividends per share (in dollars per share)	$ 0.125	$ 0.115
Average number of shares outstanding (in shares)	26,106,623	26,093,123

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