GOODWILL AND INTANGIBLE ASSETS (Tables)

6 Months Ended

Jun. 29, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of components of amortized intangible assets

The components of amortized intangible assets at June 29, 2019 and December 29, 2018 were as follows:

	June 29, 2019
	Gross Carrying Amount		Accumulated Amortization		Weighted Average Life
Customer Relationships	$	241,076	$	140,674	13 years
Patents & Proprietary Technology	23,619		5,624		14 years
Other	7,644		6,667		5 years
	$	272,339	$	152,965

	December 29, 2018
	Gross Carrying Amount		Accumulated Amortization		Weighted Average Life
Customer Relationships	$	219,508	$	132,180	13 years
Patents & Proprietary Technology	23,662		4,837		14 years
Other	7,971		6,891		5 years
	$	251,141	$	143,908

Schedule of amortization expense for intangible assets

Amortization expense for intangible assets for the thirteen and twenty-six weeks ended June 29, 2019 and June 30, 2018, respectively was as follows:

Thirteen Weeks Ended				Twenty-six Weeks Ended
2019		2018		2019		2018
$	4,632	$	3,572	$	9,022	$	7,455

Schedule of future estimated amortization expense

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

	Estimated Amortization Expense
2019	$	17,226
2020	17,004
2021	15,503
2022	13,356
2023	11,610

Schedule of non-amortized intangible assets

at June 29, 2019 and December 29, 2018 are as follows:

	June 29, 2019		December 29, 2018		Year Acquired
Newmark	$	11,111	$	11,111	2004
Webforge	8,872		8,872		2010
Convert Italia S.p.A	8,526		8,580		2018
Valmont SM	8,108		8,155		2014
Ingal EPS/Ingal Civil Products	7,233		7,233		2010
Walpar	4,300		4,300		2018
Shakespeare	4,000		4,000		2014
Other	17,490		16,472
	$	69,640	$	68,723

Schedule of carrying amount of goodwill

The carrying amount of goodwill by segment as of June 29, 2019 and December 29, 2018 was as follows:

	Engineered Support Structures Segment			Utility Support Structures Segment			Coatings Segment			Irrigation Segment		Total
Gross Balance December 29, 2018	$	204,735		$	123,618		$	80,937		$	25,164	$	434,454
Accumulated impairment losses	(18,670		)	(14,355		)	(16,222		)	—		(49,247		)
Balance at December 29, 2018	186,065			109,263			64,715			25,164		385,207
Acquisitions	18,677			7,889			11,715			—		38,281
Foreign currency translation	431			(170		)	370			69		700
Balance at June 29, 2019	$	205,173		$	116,982		$	76,800		$	25,233	$	424,188