Interim Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net sales:
Net sales	$ 238,087	$ 215,389
Cost of sales	177,830	161,225
Gross profit	60,257	54,164
Selling, general and administrative expenses	38,896	33,913
Income from operations	21,361	20,251
Interest expense	(1,337)	(1,327)
Interest income	100	76
Other income (expense)	(134)	(358)
Income before income taxes	19,990	18,642
Provision for income taxes	5,407	6,475
Net Income	$ 14,583	$ 12,167
Net income per common share:
Basic (in dollars per share)	$ 1.26	$ 1.06
Diluted (in dollars per share)	$ 1.24	$ 1.05
Average common shares:
Basic (in shares)	11,606	11,472
Diluted (in shares)	11,739	11,620
Dividends declared (in dollars per share)	$ 0.11	$ 0.1000
Industrial
Net sales:
Net sales	$ 132,167	$ 125,816
Income from operations	11,800	12,570
Agricultural
Net sales:
Net sales	58,647	51,777
Income from operations	5,253	4,859
European
Net sales:
Net sales	47,273	37,796
Income from operations	$ 4,308	$ 2,822