CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net Sales
Sales	$ 724,326	$ 630,542	$ 2,059,582	$ 1,799,360
Cost of sales
Total cost of sales	442,858	398,333	1,297,133	1,137,235
Gross profit	281,468	232,209	762,449	662,125
Research and development expenses	23,464	17,387	65,698	61,804
Selling expenses	34,084	31,888	100,782	90,387
General and administrative expenses	91,401	75,351	272,060	239,085
Loss on divestiture	0	0	0	4,651
Operating income	132,519	107,583	323,909	266,198
Interest expense	(12,496)	(13,997)	(40,432)	(33,315)
Other income, net	7,023	3,746	22,744	11,298
Earnings before income taxes	127,046	97,332	306,221	244,181
Provision for income taxes	(30,268)	(23,564)	(71,598)	(58,856)
Net earnings	$ 96,778	$ 73,768	$ 234,623	$ 185,325
Basic earnings per share
Basic earnings per share (usd per share)	$ 2.53	$ 1.92	$ 6.13	$ 4.82
Diluted earnings per share
Diluted earnings per share (usd per share)	2.51	1.91	6.09	4.79
Dividends per share	$ 0.20	$ 0.19	$ 0.59	$ 0.56
Weighted average shares outstanding:
Basic (shares)	38,285	38,368	38,301	38,416
Diluted (shares)	38,558	38,647	38,538	38,655
Product [Member]
Net Sales
Sales	$ 613,915	$ 530,782	$ 1,721,832	$ 1,489,619
Cost of sales
Cost of Goods and Services Sold	380,163	338,264	1,093,469	949,180
Service [Member]
Net Sales
Sales	110,411	99,760	337,750	309,741
Cost of sales
Cost of Goods and Services Sold	$ 62,695	$ 60,069	$ 203,664	$ 188,055