CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net Sales
Net Sales	$ 2,505,931	$ 2,391,336	$ 2,487,961
Cost of Revenue [Abstract]
Cost of Goods and Services Sold	1,572,575	1,550,109	1,589,216
Gross profit	933,356	841,227	898,745
Research and development expenses	88,489	74,816	72,520
Selling expenses	116,956	109,537	120,861
General and administrative expenses	326,140	303,288	301,411
Impairment of assets held for sale	19,088	33,043	0
Restructuring expenses	0	31,695	0
Operating income	382,683	288,848	403,953
Interest expense	40,240	35,545	31,347
Other income, net	12,067	9,748	23,856
Earnings before income taxes	354,510	263,051	396,462
Provision for income taxes	(87,351)	(61,659)	(88,879)
Net earnings	$ 267,159	$ 201,392	$ 307,583
Basic earnings per share
Basic earnings per share	$ 6.61	$ 4.83	$ 7.20
Diluted earnings per share
Diluted earnings per share	6.58	4.80	7.15
Dividends per share	$ 0.71	$ 0.68	$ 0.66
Weighted average shares outstanding:
Basic	40,417	41,738	42,739
Diluted	40,602	41,999	43,016
Product [Member]
Net Sales
Net Sales	$ 2,109,617	$ 2,041,086	$ 2,073,530
Cost of Revenue [Abstract]
Cost of Goods and Services Sold	1,330,191	1,319,562	1,329,761
Service [Member]
Net Sales
Net Sales	396,314	350,250	414,431
Cost of Revenue [Abstract]
Cost of Goods and Services Sold	$ 242,384	$ 230,547	$ 259,455