CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net Sales
Net sales	$ 559,461	$ 597,059
Cost of sales
Cost of sales	358,059	387,302
Gross profit	201,402	209,757
Research and development expenses	20,549	21,863
Selling expenses	28,092	29,596
General and administrative expenses	87,600	73,232
Loss on divestiture	4,651	0
Operating income	60,510	85,066
Interest expense	(9,530)	(9,959)
Other income, net	2,997	4,843
Earnings before income taxes	53,977	79,950
Provision for income taxes	(13,292)	(20,481)
Net earnings	$ 40,685	$ 59,469
Net earnings per share:
Basic earnings per share (usd per share)	$ 1.06	$ 1.45
Diluted earnings per share (usd per share)	1.05	1.45
Dividends per share	$ 0.18	$ 0.17
Weighted-average shares outstanding:
Basic (shares)	38,456	40,933
Diluted (shares)	38,668	41,103
Product
Net Sales
Net sales	$ 453,421	$ 508,975
Cost of sales
Cost of sales	294,527	329,454
Service
Net Sales
Net sales	106,040	88,084
Cost of sales
Cost of sales	$ 63,532	$ 57,848