Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Operating activities:
Net earnings	$ 8,749	$ 7,990
Adjustments to reconcile net earnings to net cash provided by operations:
Depreciation	2,918	2,793
Amortization	2,945	2,706
Deferred income taxes	(12)	109
Noncurrent employee benefits	115	203
Stock-based compensation expense	366	362
Changes in:
Receivables	(5,958)	(2,311)
Inventories	7,423	2,684
Prepaid expenses and other assets	(2,819)	469
Liabilities other than debt	(1,319)	3,146
Total adjustments	3,659	10,161
Net cash provided by operations	12,408	18,151
Investing activities:
Property, plant and equipment expenditures	(3,806)	(3,247)
Acquisitions, future payments	(200)	0
Net cash used for investing activities	(4,006)	(3,247)
Financing activities:
Net increase (decrease) in short-term debt	126	(10,360)
Dividends paid	(3,336)	(2,892)
Proceeds from exercise of stock options	654	62
Repurchase of treasury stock	(2,242)	0
Issuance of treasury stock	89	72
Net cash used for financing activities	(4,709)	(13,118)
Effect of foreign exchange rates on cash	280	(13)
Increase in cash	3,973	1,773
Cash – beginning of period	7,338	8,163
Cash – end of period	$ 11,311	$ 9,936