Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Operating activities:
Net earnings	$ 27,338	$ 26,182
Adjustments to reconcile net earnings to net cash provided by operations:
Depreciation	9,079	8,477
Amortization	9,089	8,569
Deferred income taxes	(188)	144
Noncurrent employee benefits	(606)	671
Contribution to pension plan	(825)	(1,000)
Stock-based compensation expense	1,191	1,137
Changes in:
Receivables	(8,041)	(1,276)
Inventories	1,929	(3,499)
Prepaid expenses and other assets	(4,580)	(236)
Liabilities other than debt	11,543	1,014
Total adjustments	18,591	14,001
Net cash provided by operations	45,929	40,183
Investing activities:
Property, plant and equipment expenditures	(11,554)	(7,849)
Acquisitions, net of cash acquired and future payments	(18,376)	0
Net cash used for investing activities	(29,930)	(7,849)
Financing activities:
Net increase (decrease) in short-term debt	1,411	(21,710)
Dividends paid	(10,444)	(9,126)
Proceeds from exercise of stock options	1,167	509
Repurchase of treasury stock	(3,677)	0
Issuance of treasury stock	594	507
Net cash used for financing activities	(10,949)	(29,820)
Effect of foreign exchange rates on cash	1,006	(8)
Increase in cash	6,056	2,506
Cash – beginning of period	7,338	8,163
Cash – end of period	$ 13,394	$ 10,669