GOODWILL AND INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2012

Changes in Carrying Amount of Goodwill by Reportable Segment

Changes in the carrying amount of goodwill by reportable segment for the years ended December 31, 2012, 2011 and 2010 are summarized below:

GOODWILL

in thousands	Aggregates			Concrete		Asphalt Mix		Cement			Total
Gross Carrying Amount
Total as of December 31, 2010		$3,005,383			$0		$91,633		$252,664			$3,349,680
Goodwill of divested businesses		(10,300	)		0		0		0			(10,300	)
Total as of December 31, 2011		$2,995,083			$0		$91,633		$252,664			$3,339,380
Total as of December 31, 2012		$2,995,083			$0		$91,633		$252,664			$3,339,380
Accumulated Impairment Losses
Total as of December 31, 2010		$0			$0		$0		($252,664	)		($252,664	)
Total as of December 31, 2011		$0			$0		$0		($252,664	)		($252,664	)
Total as of December 31, 2012		$0			$0		$0		($252,664	)		($252,664	)
Goodwill, net of Accumulated Impairment Losses
Total as of December 31, 2010		$3,005,383			$0		$91,633		$0			$3,097,016
Total as of December 31, 2011		$2,995,083			$0		$91,633		$0			$3,086,716
Total as of December 31, 2012		$2,995,083			$0		$91,633		$0			$3,086,716

Gross Carrying Amount and Accumulated Amortization by Major Intangible Asset Class

The gross carrying amount and accumulated amortization by major intangible asset class for the years ended December 31 are summarized below:

INTANGIBLE ASSETS

in thousands	2012			2011
Gross Carrying Amount
Contractual rights in place		$640,450			$640,450
Noncompetition agreements		1,450			1,430
Favorable lease agreements		16,677			16,677
Permitting, permitting compliance and zoning rights		82,596			76,956
Customer relationships		14,493			14,493
Trade names and trademarks		5,006			5,006
Other		3,711			3,200
Total gross carrying amount		$764,383			$758,212
Accumulated Amortization
Contractual rights in place		($42,470	)		($35,748	)
Noncompetition agreements		(985	)		(841	)
Favorable lease agreements		(2,584	)		(2,031	)
Permitting, permitting compliance and zoning rights		(14,625	)		(12,880	)
Customer relationships		(5,927	)		(4,466	)
Trade names and trademarks		(2,044	)		(1,544	)
Other		(3,216	)		(3,200	)
Total accumulated amortization		($71,851	)		($60,710	)
Total Intangible Assets Subject to Amortization, net		$692,532			$697,502
Intangible Assets with Indefinite Lives		0			0
Total Intangible Assets, net		$692,532			$697,502
Aggregate Amortization Expense for the Year		$11,869			$14,032

Estimated Amortization Expense

Estimated amortization expense for the five years subsequent to December 31, 2012 is as follows:

in thousands
Estimated Amortization Expense for Five Subsequent Years
2013	$12,043
2014	12,090
2015	12,255
2016	12,792
2017	13,980