Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Operating activities:
Net earnings	$ 22,182	$ 13,700
Adjustments to reconcile net earnings to net cash provided by operations:
Depreciation	6,063	5,894
Amortization	6,297	6,543
Deferred income taxes	(15)	59
Noncurrent employee benefits	(267)	84
Pension termination settlement charge		8,168
Contribution to pension plan		(1,600)
Stock-based compensation expense	554	944
Changes in:
Receivables	6,028	(6,765)
Inventories	(2,565)	167
Payables	9,141	(1,255)
Prepaid expenses and other current assets	(3,946)	(3,101)
Other liabilities	(2,569)	2,361
Total adjustments	18,721	11,499
Net cash provided by operations	40,903	25,199
Investing activities:
Property, plant and equipment expenditures	(4,466)	(5,242)
Acquisitions, net of cash acquired and future payments	0	(8,048)
Net cash used for investing activities	(4,466)	(13,290)
Financing activities:
Net decrease in short-term debt	(13,500)	(2,000)
Payment of contingent acquisition consideration	(1,650)	0
Dividends paid	(8,717)	(7,542)
Proceeds from exercise of stock options	748	231
Repurchase of treasury stock	(2,837)	(1,989)
Issuance of treasury stock	97	431
Net cash used for financing activities	(25,859)	(10,869)
Effect of foreign exchange rates on cash	230	(79)
Increase in cash	10,808	961
Cash – beginning of period	13,086	11,164
Cash – end of period	$ 23,894	$ 12,125