Interim Condensed Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net sales:
Net sales	$ 171,250	$ 158,429
Cost of sales	133,120	123,517
Gross profit	38,130	34,912
Selling, general and administrative expenses	27,499	25,173
Income from operations	10,631	9,739
Interest expense	(239)	(242)
Interest income	61	44
Other income (expense), net	474	289
Income before income taxes	10,927	9,830
Provision for income taxes	3,689	2,880
Net Income	7,238	6,950
Net income per common share:
Basic (in dollars per share)	$ 0.60	$ 0.58
Diluted (in dollars per share)	$ 0.59	$ 0.57
Average common shares:
Basic (in shares)	12,084	12,006
Diluted (in shares)	12,270	12,158
Dividends declared (in dollars per share)	$ 0.07	$ 0.07
North American Industrial
Net sales:
Net sales	77,314	69,334
Income from operations	6,300	5,197
North American Agricultural
Net sales:
Net sales	49,845	49,636
Income from operations	2,415	2,636
European
Net sales:
Net sales	44,091	39,459
Income from operations	$ 1,916	$ 1,906