GOODWILL AND INTANGIBLE ASSETS (Tables)

9 Months Ended

Sep. 26, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of components of amortized intangible assets

The components of amortized intangible assets at September 26, 2015 and December 27, 2014 were as follows:



	September 26, 2015
	Gross Carrying Amount		Accumulated Amortization		Weighted Average Life
Customer Relationships	$	202,199	$	98,523	13 years
Proprietary Software & Database	3,534		2,929		8 years
Patents & Proprietary Technology	12,659		9,211		8 years
Other	3,833		3,764		3 years
	$	222,225	$	114,427



	December 27, 2014
	Gross Carrying Amount		Accumulated Amortization		Weighted Average Life
Customer Relationships	$	207,509	$	88,538	13 years
Proprietary Software & Database	3,769		2,977		8 years
Patents & Proprietary Technology	12,394		8,537		8 years
Other	4,355		2,998		3 years
	$	228,027	$	103,050

Schedule of amortization expense for intangible assets

Amortization expense for intangible assets for the thirteen and thirty-nine weeks ended September 26, 2015 and September 27, 2014, respectively was as follows:



Thirty-nine Weeks Ended
2015		2014
$	14,157	$	13,439

Schedule of future estimated amortization expense

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



	Estimated Amortization Expense
2015	$	18,154
2016	15,944
2017	15,898
2018	14,261
2019	13,434

Schedule of non-amortized intangible assets

The carrying values of trade names at September 26, 2015 and December 27, 2014 were as follows:



	September 26, 2015		December 27, 2014		Year Acquired
Webforge	$	11,477	$	16,801	2010
Valmont SM	9,284		10,818		2014
Newmark	11,111		11,111		2004
Ingal EPS/Ingal Civil Products	8,668		8,867		2010
Donhad	6,539		6,689		2010
Shakespeare	4,000		4,000		2014
Industrial Galvanizers	2,713		3,889		2010
Other	13,567		14,852
	$	67,359	$	77,027

Schedule of carrying amount of goodwill

The carrying amount of goodwill by segment as of September 26, 2015 and December 27, 2014 was as follows:



	Engineered Infrastructure Products Segment			Utility Support Structures Segment		Coatings Segment			Irrigation Segment			Other			Total
Balance at December 27, 2014	$	197,074		$	75,404	$	74,862		$	19,536		$	18,235		$	385,111
Impairment	—			—		(9,100		)	—			—			(9,100		)
Foreign currency translation	(8,840		)	—		(2,145		)	(196		)	(410		)	(11,591		)
Divestiture of business	(1,737		)	—		—			—			—			(1,737		)
Balance at September 26, 2015	$	186,497		$	75,404	$	63,617		$	19,340		$	17,825		$	362,683

Thirteen Weeks Ended