BUSINESS SEGMENTS (Tables)

6 Months Ended

Jun. 26, 2021

Segment Reporting [Abstract]

Segment reporting information of sales and operating income

Summary by Business

	Thirteen weeks ended				Twenty-six weeks ended
	June 26, 2021		June 27, 2020		June 26, 2021		June 27, 2020
SALES:
Utility Support Structures segment:
Steel	$	176,974	$	159,817	$	345,471	$	326,348
Concrete	43,438		45,653		83,821		81,438
Engineered Solar Tracker Solutions	9,172		4,619		15,466		13,543
Offshore and Other Complex Steel Structures	38,279		21,235		76,238		35,456
Utility Support Structures segment	$	267,863	$	231,324	$	520,996	$	456,785
Engineered Support Structures segment:
Lighting, Traffic, and Highway Safety Products	$	186,973	$	181,027	$	340,843	$	353,014
Communication Products	54,552		50,886		100,631		89,082
Access Systems	27,864		21,472		50,242		42,031
Engineered Support Structures segment	269,389		253,385		491,716		484,127
Coatings segment	98,158		80,005		191,446		168,090
Irrigation segment:
North America	156,037		99,034		278,788		205,594
International	125,928		51,605		232,841		101,765
Irrigation segment	281,965		150,639		511,629		307,359
Total	917,375		715,353		1,715,787		1,416,361
INTERSEGMENT SALES:
Utility Support Structures segment	—		2,851		435		5,364
Engineered Support Structures segment	49		4,512		220		7,888
Coatings segment	20,553		17,338		42,250		36,833
Irrigation segment	2,144		1,844		3,367		3,268
Total	22,746		26,545		46,272		53,353
NET SALES:
Utility Support Structures segment	267,863		228,473		520,561		451,421
Engineered Support Structures segment	269,340		248,873		491,496		476,239
Coatings segment	77,605		62,667		149,196		131,257
Irrigation segment	279,821		148,795		508,262		304,091
Total	$	894,629	$	688,808	$	1,669,515	$	1,363,008
OPERATING INCOME:
Utility Support Structures segment	$	14,955	$	21,650	$	36,607	$	49,374
Engineered Support Structures segment	31,927		4,818		51,852		20,749
Coatings segment	14,668		10,148		27,540		21,202
Irrigation segment	41,984		22,351		80,732		46,014
Corporate	(20,909)		(15,527)		(36,895)		(27,004)
Total	$	82,625	$	43,440	$	159,836	$	110,335