Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating activities:
Net earnings	$ 14,360	$ 13,781
Adjustments to reconcile net earnings to net cash provided by operations:
Depreciation	2,760	2,873
Amortization	4,016	4,066
Deferred income taxes	(34)	38
Noncurrent employee benefits	(112)	81
Stock-based compensation expense	615	374
Changes in:
Receivables	(12,509)	3,864
Inventories	(3,763)	1,284
Payables	10,749	4,291
Prepaid expenses and other assets	(2,904)	(428)
Other liabilities	(3,928)	332
Total adjustments	(5,110)	16,775
Net cash provided by operations	9,250	30,556
Investing activities:
Property, plant and equipment expenditures	(1,141)	(1,759)
Acquisitions, net of cash acquired		44,561
Net cash used for investing activities	(1,141)	(46,320)
Financing activities:
Dividends paid	(5,869)	(5,239)
Proceeds from exercise of stock options		352
Issuance of treasury stock		42
Net cash used for financing activities	(5,869)	(4,845)
Effect of foreign exchange rates on cash	(195)	(262)
(Decrease) Increase in cash and cash equivalents	2,045	(20,871)
Cash and cash equivalents – beginning of period	87,174	72,273
Cash and cash equivalents – end of period	$ 89,219	$ 51,402