Unaudited Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2012

Unaudited Quarterly Financial Data [Abstract]

Unaudited Quarterly Selected Financial Data

The following table presents unaudited quarterly selected financial data for each full quarterly period of 2012 and 2011:

(in thousands, except for per share amounts)

	First			Second			Third		Fourth
Year ended December 31, 2012	Quarter			Quarter			Quarter		Quarter
Revenues	$	912,534		$	985,346		$	1,099,393	$	1,114,198
Gross profit	$	86,159		$	87,061		$	115,463	$	126,449
Income (loss) from construction operations	$	16,963		$	(354,174	)(a)	$	54,676	$	60,724
Income (loss) before income taxes	$	3,573		$	(363,695	)	$	44,182	$	48,098
Net (loss) income	$	(1,203	)	$	(348,423	)	$	42,591	$	41,635
(Loss) earnings per share:
Basic	$	(0.03	)	$	(7.35	)(a)	$	0.90	$	0.88
Diluted	$	(0.03	)	$	(7.35	)	$	0.88	$	0.86

Year ended December 31, 2011	First		Second		Third		Fourth
	Quarter		Quarter		Quarter		Quarter
Revenues	$	615,289	$	819,858	$	1,166,410	$	1,114,760
Gross profit	$	62,463	$	87,210	$	120,355	$	125,313
Income from construction operations	$	18,513	$	37,035	$	62,036	$	50,792
Income before income taxes	$	10,911	$	31,015	$	56,333	$	38,788
Net income	$	6,929	$	19,694	$	35,477	$	24,048
Earnings per share:
Basic	$	0.15	$	0.42	$	0.75	$	0.51
Diluted	$	0.14	$	0.41	$	0.74	$	0.50

(a) includes pre-tax goodwill and intangible asset impairment of $376.6 million.