BUSINESS SEGMENTS & RELATED REVENUE INFORMATION (Details) $ in Thousands	3 Months Ended
	Mar. 30, 2024 USD ($) segment	Apr. 01, 2023 USD ($)
Business Segments
Number of reportable segments | segment	2
Net sales	$ 977,828	$ 1,062,481
Operating income (loss)	131,553	118,466
Point in Time
Business Segments
Net sales	640,695	735,423
Over Time
Business Segments
Net sales	337,133	327,058
Transmission, Distribution and Substation
Business Segments
Net sales	325,256	314,820
Lighting and Transportation
Business Segments
Net sales	222,096	229,136
Coatings
Business Segments
Net sales	84,264	86,562
Telecommunications
Business Segments
Net sales	53,961	68,137
Solar
Business Segments
Net sales	35,156	33,485
Irrigation Equipment and Parts
Business Segments
Net sales	231,480	297,359
Technology Products and Services
Business Segments
Net sales	25,615	32,982
North America
Business Segments
Net sales	724,021	761,578
International
Business Segments
Net sales	253,807	300,903
Infrastructure
Business Segments
Net sales	720,733	732,140
Operating income (loss)	117,864	94,352
Infrastructure | Point in Time
Business Segments
Net sales	389,935	411,217
Infrastructure | Over Time
Business Segments
Net sales	330,798	320,923
Agriculture
Business Segments
Net sales	257,095	330,341
Operating income (loss)	40,973	53,323
Agriculture | Point in Time
Business Segments
Net sales	250,760	324,206
Agriculture | Over Time
Business Segments
Net sales	6,335	6,135
Corporate
Business Segments
Operating income (loss)	(27,284)	(29,209)
Operating segment
Business Segments
Net sales	982,349	1,068,269
Operating segment | Infrastructure
Business Segments
Net sales	723,614	736,106
Operating segment | Infrastructure | Transmission, Distribution and Substation
Business Segments
Net sales	325,256	314,820
Operating segment | Infrastructure | Lighting and Transportation
Business Segments
Net sales	222,096	229,136
Operating segment | Infrastructure | Coatings
Business Segments
Net sales	87,090	90,114
Operating segment | Infrastructure | Telecommunications
Business Segments
Net sales	53,961	68,137
Operating segment | Infrastructure | Solar
Business Segments
Net sales	35,211	33,899
Operating segment | Infrastructure | North America
Business Segments
Net sales	568,572	584,083
Operating segment | Infrastructure | International
Business Segments
Net sales	155,042	152,023
Operating segment | Agriculture
Business Segments
Net sales	258,735	332,163
Operating segment | Agriculture | Irrigation Equipment and Parts
Business Segments
Net sales	233,120	299,181
Operating segment | Agriculture | Technology Products and Services
Business Segments
Net sales	25,615	32,982
Operating segment | Agriculture | North America
Business Segments
Net sales	159,915	182,869
Operating segment | Agriculture | International
Business Segments
Net sales	98,820	149,294
Intersegment
Business Segments
Net sales	(4,521)	(5,788)
Intersegment | Coatings
Business Segments
Net sales	(2,826)	(3,552)
Intersegment | Solar
Business Segments
Net sales	(55)	(414)
Intersegment | Irrigation Equipment and Parts
Business Segments
Net sales	(1,640)	(1,822)
Intersegment | North America
Business Segments
Net sales	(4,466)	(5,374)
Intersegment | International
Business Segments
Net sales	(55)	(414)
Intersegment | Infrastructure
Business Segments
Net sales	(2,881)	(3,966)
Intersegment | Agriculture
Business Segments
Net sales	$ (1,640)	$ (1,822)