CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net Sales
Sales	$ 2,845,373	$ 2,557,025	$ 2,500,761
Cost of Revenue [Abstract]
Cost of Goods and Services Sold	1,778,195	1,602,416	1,572,959
Gross profit	1,067,178	954,609	927,802
Research and development expenses	85,764	80,836	88,489
Selling expenses	137,088	121,586	116,956
General and administrative expenses	359,724	324,093	326,140
Loss on divestiture	0	4,651	0
Impairment of assets held for sale	0	0	19,088
Operating income	484,602	423,443	377,129
Interest expense	51,393	46,980	40,240
Other income, net	29,861	12,732	12,067
Earnings before income taxes	463,070	389,195	348,956
Provision for income taxes	(108,561)	(94,847)	(86,127)
Net earnings	$ 354,509	$ 294,348	$ 262,829
Basic earnings per share
Basic earnings per share (in shares)	$ 9.26	$ 7.67	$ 6.50
Diluted earnings per share
Diluted earnings per share (in shares)	9.20	7.62	6.47
Dividends per share	$ 0.79	$ 0.75	$ 0.71
Weighted average shares outstanding:
Basic	38,283	38,386	40,417
Diluted	38,529	38,649	40,602
Product
Net Sales
Sales	$ 2,389,711	$ 2,135,882	$ 2,104,447
Cost of Revenue [Abstract]
Cost of Goods and Services Sold	1,507,480	1,348,569	1,330,575
Service [Member]
Net Sales
Sales	455,662	421,143	396,314
Cost of Revenue [Abstract]
Cost of Goods and Services Sold	$ 270,715	$ 253,847	$ 242,384