Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating activities:
Net earnings	$ 13,700	$ 19,363
Adjustments to reconcile net earnings to net cash provided by operations:
Depreciation	5,894	5,997
Amortization	6,543	5,994
Deferred income taxes	59	(53)
Noncurrent employee benefits	84	541
Pension termination settlement charge	8,168	0
Contribution to pension plan	(1,600)	0
Stock-based compensation expense	944	779
Changes in:
Receivables	(6,765)	(3,754)
Inventories	167	4,759
Prepaid expenses and other assets	(3,101)	(3,734)
Liabilities other than debt	1,106	7,453
Total adjustments	11,499	17,982
Net cash provided by operations	25,199	37,345
Investing activities:
Property, plant and equipment expenditures	(5,242)	(6,762)
Acquisitions, net of cash acquired and future payments	(8,048)	(18,376)
Net cash used for investing activities	(13,290)	(25,138)
Financing activities:
Net (decrease) increase in short-term debt	(2,000)	2,161
Dividends paid	(7,542)	(6,673)
Proceeds from exercise of stock options	231	1,014
Repurchase of treasury stock	(1,989)	(3,288)
Issuance of treasury stock	431	533
Net cash used for financing activities	(10,869)	(6,253)
Effect of foreign exchange rates on cash	(79)	558
Increase in cash	961	6,512
Cash – beginning of period	11,164	7,338
Cash – end of period	$ 12,125	$ 13,850