CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net Sales
Sales	$ 704,396	$ 609,357	$ 1,335,256	$ 1,168,818
Cost of sales
Total cost of sales	444,823	380,843	854,275	738,902
Gross profit	259,573	228,514	480,981	429,916
Research and development expenses	20,210	23,868	42,234	44,417
Selling expenses	34,273	30,407	66,698	58,499
General and administrative expenses	92,315	76,134	180,659	163,734
Loss on divestiture	0	0	0	4,651
Operating income	112,775	98,105	191,390	158,615
Interest expense	(14,992)	(9,788)	(27,936)	(19,318)
Other income, net	7,954	4,555	15,721	7,552
Earnings before income taxes	105,737	92,872	179,175	146,849
Provision for income taxes	(24,738)	(22,000)	(41,330)	(35,292)
Net earnings	$ 80,999	$ 70,872	$ 137,845	$ 111,557
Basic earnings per share
Basic earnings per share (usd per share)	$ 2.11	$ 1.84	$ 3.60	$ 2.90
Diluted earnings per share
Diluted earnings per share (usd per share)	2.10	1.83	3.58	2.89
Dividends per share	$ 0.20	$ 0.19	$ 0.39	$ 0.37
Weighted average shares outstanding:
Basic (shares)	38,329	38,429	38,309	38,438
Diluted (shares)	38,555	38,654	38,528	38,657
Retained Earnings
Cost of sales
Net earnings	$ 80,999	$ 70,872	$ 137,845	$ 111,557
Product [Member]
Net Sales
Sales	583,036	505,416	1,107,917	958,837
Cost of sales
Cost of Goods and Services Sold	369,549	316,389	713,306	610,916
Service [Member]
Net Sales
Sales	121,360	103,941	227,339	209,981
Cost of sales
Cost of Goods and Services Sold	$ 75,274	$ 64,454	$ 140,969	$ 127,986