BUSINESS SEGMENTS (Tables)

3 Months Ended

Mar. 27, 2021

Segment Reporting [Abstract]

Segment reporting information of sales and operating income

Summary by Business

	Thirteen weeks ended
	March 27, 2021		March 28, 2020
SALES:
Utility Support Structures segment:
Steel	168,497		166,531
Concrete	40,383		35,785
Engineered Solar Tracker Solutions	6,294		8,924
Offshore and Other Complex Steel Structures	37,959		14,221
Utility Support Structures segment	253,133		225,461
Engineered Support Structures segment:
Lighting, Traffic, and Highway Safety Products	$	153,870	$	171,987
Communication Products	46,079		38,196
Access Systems	22,378		20,559
Engineered Support Structures segment	222,327		230,742
Coatings segment	93,288		88,085
Irrigation segment:
North America	122,751		106,560
International	106,913		50,160
Irrigation segment	229,664		156,720
Total	798,412		701,008
INTERSEGMENT SALES:
Utility Support Structures segment	435		2,513
Engineered Support Structures segment	171		3,376
Coatings segment	21,697		19,495
Irrigation segment	1,223		1,424
Total	23,526		26,808
NET SALES:
Utility Support Structures segment	252,698		222,948
Engineered Support Structures segment	222,156		227,366
Coatings segment	71,591		68,590
Irrigation segment	228,441		155,296
Total	$	774,886	$	674,200
OPERATING INCOME:
Utility Support Structures segment	21,652		27,724
Engineered Support Structures segment	$	19,925	$	15,931
Coatings segment	12,872		11,054
Irrigation segment	38,748		23,663
Corporate	(15,986)		(11,477)
Total	$	77,211	$	66,895