BUSINESS SEGMENTS (Details) $ in Thousands	12 Months Ended
	Dec. 30, 2023 USD ($) segment	Dec. 31, 2022 USD ($) segment	Dec. 25, 2021 USD ($)
Business Segments
Number of reportable segments | segment	2	2
Net sales	$ 4,174,598	$ 4,345,250	$ 3,501,575
Operating income (loss)	291,557	433,249	286,785
Interest expense, net	(50,578)	(45,519)	(41,420)
Other income (expenses)	(4,527)	(23,842)	14,718
Earnings before income taxes and equity in loss of nonconsolidated subsidiaries	236,452	363,888	260,083
Assets	3,477,448	3,556,996	3,447,249
Capital expenditures	96,771	93,288	107,790
Depreciation and amortization	98,708	97,167	92,577
Point in Time
Business Segments
Net sales	2,888,772	2,995,139	2,384,575
Over Time
Business Segments
Net sales	1,285,826	1,350,111	1,117,000
Transmission, Distribution and Substation
Business Segments
Net sales	1,243,768	1,184,660	935,099
Lighting and Transportation
Business Segments
Net sales	964,072		825,923
Coatings
Business Segments
Net sales	345,310	341,380	299,072
Telecommunications
Business Segments
Net sales	252,165	320,342	238,527
Solar
Business Segments
Net sales	194,322	122,902	62,904
Irrigation Equipment and Parts
Business Segments
Net sales	1,062,163	1,220,200	919,190
Technology Products and Services
Business Segments
Net sales	112,798	115,085	97,859
Other
Business Segments
Net sales		100,219	123,001
Lighting, Traffic, and Highway Safety Products
Business Segments
Net sales		940,462
United States
Business Segments
Net sales	2,860,951	2,965,673	2,260,198
North America
Business Segments
Net sales	2,889,575	2,975,020	2,247,862
International
Business Segments
Net sales	1,285,023	1,370,230	1,253,713
Coatings
Business Segments
Operating income (loss)	(121,546)	(102,772)	(83,648)
Assets	249,726	176,608	249,534
Infrastructure
Business Segments
Net sales	2,999,637	2,909,746	2,361,524
Operating income (loss)	396,253	354,499	273,598
Assets	2,249,132	2,267,800	2,102,851
Capital expenditures	68,295	53,228	72,129
Depreciation and amortization	64,654	62,398	59,748
Infrastructure | Point in Time
Business Segments
Net sales	1,744,139	1,687,458	1,388,297
Infrastructure | Over Time
Business Segments
Net sales	1,255,498	1,222,288	973,227
Agriculture
Business Segments
Net sales	1,174,961	1,335,285	1,017,050
Operating income (loss)	16,850	179,263	137,027
Assets	978,590	1,112,588	1,027,272
Capital expenditures	10,890	32,886	17,509
Depreciation and amortization	23,409	23,681	17,813
Agriculture | Point in Time
Business Segments
Net sales	1,144,633	1,307,681	996,278
Agriculture | Over Time
Business Segments
Net sales	30,328	27,604	20,772
Other Segments
Business Segments
Net sales		100,219	123,001
Operating income (loss)		2,259	(40,192)
Assets			67,592
Capital expenditures			345
Depreciation and amortization		1,393	5,988
Corporate
Business Segments
Operating income (loss)	(121,546)	(102,772)	(83,648)
Capital expenditures	17,586	7,174	17,807
Depreciation and amortization	10,645	9,695	9,028
Operating segment
Business Segments
Net sales	4,192,290	4,375,310	3,523,818
Operating segment | Infrastructure
Business Segments
Net sales	3,010,067	2,928,419	2,372,100
Operating segment | Infrastructure | Transmission, Distribution and Substation
Business Segments
Net sales	1,243,768	1,184,660	935,099
Operating segment | Infrastructure | Lighting and Transportation
Business Segments
Net sales	964,072		825,923
Operating segment | Infrastructure | Coatings
Business Segments
Net sales	354,330	356,707	309,647
Operating segment | Infrastructure | Telecommunications
Business Segments
Net sales	252,165	320,342	238,527
Operating segment | Infrastructure | Solar
Business Segments
Net sales	195,732	126,248	62,904
Operating segment | Infrastructure | Lighting, Traffic, and Highway Safety Products
Business Segments
Net sales		940,462
Operating segment | Infrastructure | North America
Business Segments
Net sales	2,318,801	2,234,339	1,724,531
Operating segment | Infrastructure | International
Business Segments
Net sales	691,266	694,080	647,569
Operating segment | Agriculture
Business Segments
Net sales	1,182,223	1,346,672	1,028,717
Operating segment | Agriculture | Irrigation Equipment and Parts
Business Segments
Net sales	1,069,425	1,231,587	930,858
Operating segment | Agriculture | Technology Products and Services
Business Segments
Net sales	112,798	115,085	97,859
Operating segment | Agriculture | North America
Business Segments
Net sales	587,056	766,929	545,574
Operating segment | Agriculture | International
Business Segments
Net sales	595,167	579,743	483,143
Operating segment | Other Segments
Business Segments
Net sales		100,219	123,001
Operating segment | Other Segments | Other
Business Segments
Net sales		100,219	123,001
Operating segment | Other Segments | International
Business Segments
Net sales		100,219	123,001
Intersegment
Business Segments
Net sales	(17,692)	(30,060)	(22,243)
Intersegment | Coatings
Business Segments
Net sales	(9,020)	(15,327)	(10,575)
Intersegment | Solar
Business Segments
Net sales	(1,410)	(3,346)
Intersegment | Irrigation Equipment and Parts
Business Segments
Net sales	(7,262)	(11,387)	(11,668)
Intersegment | North America
Business Segments
Net sales	(16,282)	(26,248)	(22,243)
Intersegment | International
Business Segments
Net sales	(1,410)	(3,812)
Intersegment | Infrastructure
Business Segments
Net sales	(10,430)	(18,673)	(10,576)
Intersegment | Agriculture
Business Segments
Net sales	$ (7,262)	$ (11,387)	$ (11,667)