CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net Sales
Sales	$ 630,542	$ 620,619	$ 1,799,360	$ 1,839,173
Cost of sales
Total cost of sales	398,333	383,611	1,137,235	1,167,689
Gross profit	232,209	237,008	662,125	671,484
Research and development expenses	17,387	21,618	61,804	66,675
Selling expenses	31,888	30,067	90,387	89,227
General and administrative expenses	75,351	78,998	239,085	229,608
Loss on divestiture	0		4,651	0
Impairment of assets held for sale	0	8,656	0	8,656
Operating income	107,583	97,669	266,198	277,318
Interest expense	(13,997)	(9,955)	(33,315)	(30,094)
Other income, net	3,746	3,627	11,298	8,910
Earnings before income taxes	97,332	91,341	244,181	256,134
Provision for income taxes	(23,564)	(21,638)	(58,856)	(65,554)
Net earnings	$ 73,768	$ 69,703	$ 185,325	$ 190,580
Basic earnings per share
Basic earnings per share (usd per share)	$ 1.92	$ 1.71	$ 4.82	$ 4.66
Diluted earnings per share
Diluted earnings per share (usd per share)	1.91	1.70	4.79	4.64
Dividends per share (usd per share)	$ 0.19	$ 0.18	$ 0.56	$ 0.53
Weighted average shares outstanding:
Basic (shares)	38,368	40,769	38,416	40,865
Diluted (shares)	38,647	40,950	38,655	41,040
Product [Member]
Net Sales
Sales	$ 530,782	$ 528,339	$ 1,489,619	$ 1,552,706
Cost of sales
Cost of Goods and Services Sold	338,264	328,424	949,180	989,759
Service [Member]
Net Sales
Sales	99,760	92,280	309,741	286,467
Cost of sales
Cost of Goods and Services Sold	$ 60,069	$ 55,187	$ 188,055	$ 177,930