Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Operating activities:
Net earnings	$ 36,249	$ 34,903
Adjustments to reconcile net earnings to net cash provided by operations:
Depreciation	9,132	8,688
Amortization	9,803	9,323
Deferred income taxes	401	18
Noncurrent employee benefits	571	(150)
Stock-based compensation expense	1,041	882
Changes in:
Receivables	3,184	4,555
Inventories	5,188	(4,259)
Payables	(2,175)	10,885
Prepaid expenses and other assets	6,485	(5,806)
Other current liabilities	3,799	2,100
Total adjustments	37,429	26,236
Net cash provided by operations	73,678	61,139
Investing activities:
Property, plant and equipment expenditures	(5,855)	(5,589)
Net cash used for investing activities	(5,855)	(5,589)
Financing activities:
Net decrease in short-term debt	(4,600)	(13,500)
Payment of contingent acquisition consideration		(1,650)
Dividends paid	(15,108)	(13,652)
Proceeds from exercise of stock options	505	963
Repurchase of treasury stock	(2,934)	(3,358)
Issuance of treasury stock	126	142
Net cash used for financing activities	(22,011)	(31,055)
Effect of foreign exchange rates on cash	(782)	147
Increase in cash and cash equivalents	45,030	24,642
Cash and cash equivalents – beginning of period	48,871	13,086
Cash and cash equivalents – end of period	$ 93,901	$ 37,728