Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

The following table presents the goodwill balance by reporting segment:

(in thousands)	September 30, 2013		December 31, 2012		September 30, 2012
Construction	$	28,398	$	29,190	$	6,937
Large Project Construction	23,287		24,115		849
Construction Materials	2,114		2,114		2,114
Total goodwill	$	53,799	$	55,419	$	9,900

Schedule of Finite-Lived Intangible Assets by Major Class

Amortized Intangible Assets:

Following is the breakdown of our amortized intangible assets that are included in other noncurrent assets on our condensed consolidated balance sheets:

September 30, 2013			Accumulated
(in thousands)	Gross Value		Amortization			Net Book Value
Permits	$	29,713	$	(11,711	)	$	18,002
Customer lists	4,398		(2,418		)	1,980
Covenants not to compete	1,588		(1,551		)	37
Acquired backlog	7,900		(5,147		)	2,753
Trade name	4,100		(324		)	3,776
Other	871		(827		)	44
Total amortized intangible assets	$	48,570	$	(21,978	)	$	26,592

December 31, 2012
(in thousands)
Permits	$	29,713	$	(10,869	)	$	18,844
Customer lists	4,698		(2,170		)	2,528
Covenants not to compete	1,588		(1,546		)	42
Acquired backlog	8,400		—			8,400
Trade name	4,100		—			4,100
Other	871		(734		)	137
Total amortized intangible assets	$	49,370	$	(15,319	)	$	34,051

September 30, 2012
(in thousands)
Permits	$	29,713	$	(10,588	)	$	19,125
Customer lists	2,198		(2,113		)	85
Covenants not to compete	1,588		(1,541		)	47
Other	871		(696		)	175
Total amortized intangible assets	$	34,370	$	(14,938	)	$	19,432