Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating activities:
Net earnings	$ 21,388	$ 22,182
Adjustments to reconcile net earnings to net cash provided by operations:
Depreciation	5,978	6,063
Amortization	6,483	6,297
Deferred income taxes	392	(15)
Noncurrent employee benefits	457	(267)
Stock-based compensation expense	705	554
Changes in:
Receivables	6,638	6,028
Inventories	5,070	(2,565)
Payables	3,886	9,141
Prepaid expenses and other assets	(1,600)	(3,946)
Other current liabilities	2,889	(2,569)
Total adjustments	30,898	18,721
Net cash provided by operations	52,286	40,903
Investing activities:
Property, plant and equipment expenditures	(3,579)	(4,466)
Net cash used for investing activities	(3,579)	(4,466)
Financing activities:
Net decrease in short-term debt		(13,500)
Payment of contingent acquisition consideration		(1,650)
Dividends paid	(9,878)	(8,717)
Proceeds from exercise of stock options	478	748
Repurchase of treasury stock	(2,873)	(2,837)
Issuance of treasury stock	93	97
Net cash used for financing activities	(12,180)	(25,859)
Effect of foreign exchange rates on cash	(197)	230
Increase in cash and cash equivalents	36,330	10,808
Cash and cash equivalents – beginning of period	48,871	13,086
Cash and cash equivalents – end of period	$ 85,201	$ 23,894