GOODWILL AND INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 28, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of components of amortized intangible assets

The components of amortized intangible assets at March 28, 2020 and December 28, 2019 were as follows:

	March 28, 2020
	Gross Carrying Amount		Accumulated Amortization		Weighted Average Life
Customer Relationships	$	224,920	$	137,988	13 years
Patents & Proprietary Technology	23,867		6,718		13 years
Other	7,879		6,498		4 years
	$	256,666	$	151,204

	December 28, 2019
	Gross Carrying Amount		Accumulated Amortization		Weighted Average Life
Customer Relationships	$	237,626	$	149,720	13 years
Patents & Proprietary Technology	24,068		6,358		14 years
Other	8,054		7,035		5 years
	$	269,748	$	163,113

Schedule of amortization expense for intangible assets

Amortization expense for intangible assets for the thirteen weeks ended March 28, 2020 and March 30, 2019, respectively was as follows:

Thirteen weeks ended
2020		2019
$	4,593	$	4,390

Schedule of future estimated amortization expense

Estimated annual amortization expense related to finite-lived intangible assets is as follows:

	Estimated Amortization Expense
2020	$	17,446
2021	15,516
2022	13,462
2023	11,830
2024	9,923

Schedule of non-amortized intangible assets

at March 28, 2020 and December 28, 2019 are as follows:

	March 28, 2020		December 28, 2019		Year Acquired
Newmark	$	11,111	$	11,111	2004
Webforge	8,704		9,143		2010
Convert Italia S.p.A	8,352		8,378		2018
Valmont SM	7,929		7,966		2014
Ingal EPS/Ingal Civil Products	7,096		7,454		2010
Walpar	3,500		3,500		2018
Shakespeare	4,000		4,000		2014
Other	16,852		17,555
	$	67,544	$	69,107

Schedule of carrying amount of goodwill

The carrying amount of goodwill by segment as of March 28, 2020 and December 28, 2019 was as follows:

	Engineered Support Structures Segment		Utility Support Structures Segment		Coatings Segment		Irrigation Segment		Total
Gross Balance December 28, 2019	$	228,634	$	130,594	$	93,747	$	25,136	$	478,111
Accumulated impairment losses	(18,670)		(14,355)		(16,222)		—		(49,247)
Balance at December 28, 2019	209,964		116,239		77,525		25,136		428,864
Acquisitions	—		1,100		—		—		1,100
Foreign currency translation	(6,144)		(139)		(1,287)		120		(7,450)
Balance at March 28, 2020	$	203,820	$	117,200	$	76,238	$	25,256	$	422,514