BUSINESS SEGMENTS & RELATED REVENUE INFORMATION (Details) $ in Thousands	3 Months Ended
	Apr. 01, 2023 USD ($) segment	Mar. 26, 2022 USD ($)
Business Segments
Number of reportable segments | segment	2
Net sales	$ 1,062,481	$ 980,820
Operating income (loss)	118,466	94,842
Point in Time
Business Segments
Net sales	735,423	666,796
Over Time
Business Segments
Net sales	327,058	314,024
Transmission, Distribution and Substation
Business Segments
Net sales	314,820	281,600
Lighting and Transportation
Business Segments
Net sales	229,136	212,767
Coatings
Business Segments
Net sales	86,562	78,875
Telecommunications
Business Segments
Net sales	68,137	61,396
Solar
Business Segments
Net sales	33,485	42,987
Irrigation Equipment and Parts, excluding Technology
Business Segments
Net sales	297,359	274,649
Technology Products and Services
Business Segments
Net sales	32,982	28,546
North America
Business Segments
Net sales	761,578	681,749
International
Business Segments
Net sales	300,903	299,071
Infrastructure
Business Segments
Net sales	732,140	658,971
Operating income (loss)	94,352	78,316
Infrastructure | Point in Time
Business Segments
Net sales	411,217	369,190
Infrastructure | Over Time
Business Segments
Net sales	320,923	289,781
Agriculture
Business Segments
Net sales	330,341	303,195
Operating income (loss)	53,323	37,475
Agriculture | Point in Time
Business Segments
Net sales	324,206	297,606
Agriculture | Over Time
Business Segments
Net sales	6,135	5,589
Other Segments
Business Segments
Net sales		18,654
Operating income (loss)		(809)
Other Segments | Over Time
Business Segments
Net sales		18,654
Corporate
Business Segments
Operating income (loss)	(29,209)	(20,140)
Operating segment
Business Segments
Net sales	1,068,269	987,306
Operating segment | Infrastructure
Business Segments
Net sales	736,106	662,072
Operating segment | Infrastructure | Transmission, Distribution and Substation
Business Segments
Net sales	314,820	281,600
Operating segment | Infrastructure | Lighting and Transportation
Business Segments
Net sales	229,136	212,767
Operating segment | Infrastructure | Coatings
Business Segments
Net sales	90,114	81,976
Operating segment | Infrastructure | Telecommunications
Business Segments
Net sales	68,137	61,396
Operating segment | Infrastructure | Solar
Business Segments
Net sales	33,899	24,333
Operating segment | Infrastructure | North America
Business Segments
Net sales	584,083	505,980
Operating segment | Infrastructure | International
Business Segments
Net sales	152,023	156,092
Operating segment | Agriculture
Business Segments
Net sales	332,163	306,580
Operating segment | Agriculture | Irrigation Equipment and Parts, excluding Technology
Business Segments
Net sales	299,181	278,034
Operating segment | Agriculture | Technology Products and Services
Business Segments
Net sales	32,982	28,546
Operating segment | Agriculture | North America
Business Segments
Net sales	182,869	182,255
Operating segment | Agriculture | International
Business Segments
Net sales	149,294	124,325
Operating segment | Other Segments
Business Segments
Net sales		18,654
Operating segment | Other Segments | Solar
Business Segments
Net sales		18,654
Operating segment | Other Segments | International
Business Segments
Net sales		18,654
Intersegment
Business Segments
Net sales	(5,788)	(6,486)
Intersegment | Coatings
Business Segments
Net sales	(3,552)	(3,101)
Intersegment | Solar
Business Segments
Net sales	(414)
Intersegment | Irrigation Equipment and Parts, excluding Technology
Business Segments
Net sales	(1,822)	(3,385)
Intersegment | North America
Business Segments
Net sales	(5,374)	(6,486)
Intersegment | International
Business Segments
Net sales	(414)
Intersegment | Infrastructure
Business Segments
Net sales	(3,966)	(3,101)
Intersegment | Agriculture
Business Segments
Net sales	$ (1,822)	$ (3,385)