BUSINESS SEGMENTS - Summary By Business (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2022	Mar. 27, 2021
Business Segments
Net sales	$ 980,820	$ 774,886
Operating income	94,842	77,211
Transmission, Distribution and Substation
Business Segments
Net sales	281,600	208,444
Lighting and Transportation
Business Segments
Net sales	212,767	176,516
Coatings
Business Segments
Net sales	78,875	71,592
Telecommunications
Business Segments
Net sales	61,396	45,640
Renewable Energy
Business Segments
Net sales	42,987	44,253
Irrigation Equipment and Parts, excluding Technology
Business Segments
Net sales	274,649	206,035
Technology Products and Services
Business Segments
Net sales	28,546	22,406
North America
Business Segments
Net sales	681,749	504,061
International
Business Segments
Net sales	299,071	270,825
Infrastructure
Business Segments
Net sales	677,625	546,445
Operating income	77,507	54,449
Agriculture
Business Segments
Net sales	303,195	228,441
Operating income	37,475	38,748
Corporate
Business Segments
Operating income	(20,140)	(15,986)
Operating Segment
Business Segments
Net sales	987,306	779,310
Operating Segment | Infrastructure
Business Segments
Net sales	680,726	549,646
Operating Segment | Infrastructure | Transmission, Distribution and Substation
Business Segments
Net sales	281,600	208,444
Operating Segment | Infrastructure | Lighting and Transportation
Business Segments
Net sales	212,767	176,516
Operating Segment | Infrastructure | Coatings
Business Segments
Net sales	81,976	74,793
Operating Segment | Infrastructure | Telecommunications
Business Segments
Net sales	61,396	45,640
Operating Segment | Infrastructure | Renewable Energy
Business Segments
Net sales	42,987	44,253
Operating Segment | Infrastructure | Irrigation Equipment and Parts, excluding Technology
Business Segments
Net sales	0	0
Operating Segment | Infrastructure | Technology Products and Services
Business Segments
Net sales	0	0
Operating Segment | Infrastructure | North America
Business Segments
Net sales	505,980	385,734
Operating Segment | Infrastructure | International
Business Segments
Net sales	174,746	163,912
Operating Segment | Agriculture
Business Segments
Net sales	306,580	229,664
Operating Segment | Agriculture | Transmission, Distribution and Substation
Business Segments
Net sales	0	0
Operating Segment | Agriculture | Lighting and Transportation
Business Segments
Net sales	0	0
Operating Segment | Agriculture | Coatings
Business Segments
Net sales	0	0
Operating Segment | Agriculture | Telecommunications
Business Segments
Net sales	0	0
Operating Segment | Agriculture | Renewable Energy
Business Segments
Net sales	0	0
Operating Segment | Agriculture | Irrigation Equipment and Parts, excluding Technology
Business Segments
Net sales	278,034	207,258
Operating Segment | Agriculture | Technology Products and Services
Business Segments
Net sales	28,546	22,406
Operating Segment | Agriculture | North America
Business Segments
Net sales	182,255	122,751
Operating Segment | Agriculture | International
Business Segments
Net sales	124,325	106,913
Intersegment Sales
Business Segments
Net sales	(6,486)	(4,424)
Intersegment Sales | Transmission, Distribution and Substation
Business Segments
Net sales	0	0
Intersegment Sales | Lighting and Transportation
Business Segments
Net sales	0	0
Intersegment Sales | Coatings
Business Segments
Net sales	(3,101)	(3,201)
Intersegment Sales | Telecommunications
Business Segments
Net sales	0	0
Intersegment Sales | Renewable Energy
Business Segments
Net sales	0	0
Intersegment Sales | Irrigation Equipment and Parts, excluding Technology
Business Segments
Net sales	(3,385)	(1,223)
Intersegment Sales | Technology Products and Services
Business Segments
Net sales	0	0
Intersegment Sales | North America
Business Segments
Net sales	(6,486)	(4,424)
Intersegment Sales | International
Business Segments
Net sales	0	0
Intersegment Sales | Infrastructure
Business Segments
Net sales	(3,101)	(3,201)
Intersegment Sales | Agriculture
Business Segments
Net sales	$ (3,385)	$ (1,223)