GOODWILL (Tables)

3 Months Ended

Mar. 31, 2013

Changes in Carrying Amount of Goodwill by Reportable Segment

Changes in the carrying amount of goodwill by reportable segment from December 31, 2012 to March 31, 2013 are summarized below:

GOODWILL

in thousands	Aggregates		Concrete		Asphalt Mix		Cement		Total
Gross Carrying Amount
Total as of December 31, 2012		$2,995,083		$0		$91,633		$252,664		$3,339,380
Goodwill of acquired businesses 1		9,759		0		0		0		9,759
Goodwill of divested businesses 1		(674)		0		0		0		(674)
Total as of March 31, 2013		$3,004,168		$0		$91,633		$252,664		$3,348,465
Accumulated Impairment Losses
Total as of December 31, 2012		$0		$0		$0		($252,664)		($252,664)
Total as of March 31, 2013		$0		$0		$0		($252,664)		($252,664)
Goodwill, net of Accumulated Impairment Losses
Total as of December 31, 2012		$2,995,083		$0		$91,633		$0		$3,086,716
Total as of March 31, 2013		$3,004,168		$0		$91,633		$0		$3,095,801

¹  The goodwill of acquired/divested businesses relates to the 2013 acquisitions/divestitures discussed in Note 16.