Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 25, 2011

Goodwill and Intangible Assets

Components of amortized intangible assets

	As of June 25, 2011
	Gross Carrying Amount		Accumulated Amortization		Weighted Average Life
Customer Relationships	$	158,589	$	44,459	13 years
Proprietary Software & Database		2,609		2,609	6 years
Patents & Proprietary Technology		9,710		3,156	8 years
Non-compete Agreements		1,701		1,184	6 years
	$	172,609	$	51,408

	As of December 25, 2010
	Gross Carrying Amount		Accumulated Amortization		Weighted Average Life
Customer Relationships	$	155,664	$	37,932	13 years
Proprietary Software & Database		2,609		2,568	6 years
Patents & Proprietary Technology		9,486		2,336	8 years
Non-compete Agreements		1,674		1,054	6 years
	$	169,433	$	43,890

Amortization expense for intangible assets

Thirteen Weeks Ended June 25, 2011	Thirteen Weeks Ended June 26, 2010	Twenty-six Weeks Ended June 25, 2011	Twenty-six Weeks Ended June 26, 2010
$3,664	$2,734	$7,196	$4,774

Schedule of future estimated amortization expense

	Estimated Amortization Expense
2011	$	14,307
2012		14,181
2013		13,287
2014		12,864
2015		11,980

Non-amortized intangible assets

	June 25, 2011		December 25, 2010
Webforge	$	17,190	$	16,478
Newmark		11,111		11,111
Ingal EPS/Ingal Civil Products		9,126		8,795
Donhad		6,884		6,635
PiRod		4,750		4,750
Industrial Galvanizers		4,803		4,632
Other		7,675		7,591
	$	61,539	$	59,992

Carrying amount of goodwill

	Engineered Infrastructure Products Segment		Utility Support Structures Segment		Coatings Segment		Irrigation Segment		Other		Total
Balance December 25, 2010	$	152,062	$	77,141	$	64,868	$	2,064	$	18,712	$	314,847
Acquisition		—		—		—		939		—		939
Foreign currency translation		5,294		—		710		—		560		6,564
Balance June 25, 2011	$	157,356	$	77,141	$	65,578	$	3,003	$	19,272	$	322,350