CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Net Sales
Net sales	$ 597,059	$ 601,231
Cost of sales
Cost of sales	387,302	400,652
Gross profit	209,757	200,579
Research and development expenses	21,863	18,307
Selling expenses	29,596	31,588
General and administrative expenses	73,232	76,658
Restructuring expenses	0	1,580
Operating income	85,066	72,446
Interest expense	(9,959)	(7,489)
Other income, net	4,843	5,532
Earnings from continuing operations before income taxes	79,950	70,489
Provision for income taxes	(20,481)	(18,728)
Net earnings	$ 59,469	$ 51,761
Basic earnings per share
Basic earnings per share (usd per share)	$ 1.45	$ 1.22
Diluted earnings per share
Diluted earnings per share (usd per share)	1.45	1.21
Dividends per share	$ 0.17	$ 0.17
Weighted average shares outstanding:
Basic (shares)	40,933	42,456
Diluted (shares)	41,103	42,770
Product
Net Sales
Net sales	$ 508,975	$ 497,929
Cost of sales
Cost of sales	329,454	330,813
Service
Net Sales
Net sales	88,084	103,302
Cost of sales
Cost of sales	$ 57,848	$ 69,839