Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities:
Net earnings	$ 19,415	$ 14,360
Adjustments to reconcile net earnings to net cash provided by operations:
Depreciation	2,663	2,760
Amortization	4,284	4,016
Deferred income taxes	(10)	(34)
Noncurrent employee benefits	(37)	(112)
Stock-based compensation expense	1,006	615
Changes in:
Receivables	(6,843)	(12,509)
Inventories	(11,439)	(3,763)
Payables	6,959	10,749
Prepaid expenses and other assets	(2,133)	(2,904)
Other liabilities	4,105	(3,928)
Total adjustments	(1,445)	(5,110)
Net cash provided by operations	17,970	9,250
Investing activities:
Property, plant and equipment expenditures	(4,271)	(1,141)
Acquisitions, net of cash acquired	(17,052)
Net cash used for investing activities	(21,323)	(1,141)
Financing activities:
Dividends paid	(6,626)	(5,869)
Proceeds from exercise of stock options	58
Net cash used for financing activities	(6,568)	(5,869)
Effect of foreign exchange rates on cash	230	(195)
(Decrease) increase in cash and cash equivalents	(9,691)	2,045
Cash and cash equivalents - beginning of period	138,052	87,174
Cash and cash equivalents - end of period	$ 128,361	$ 89,219