Business Segments (Tables)

6 Months Ended

Jun. 30, 2015

Business Segments [Abstract]

Reportable Segments

	Reportable Segments
					Specialty							Consolidated
(in thousands)	Civil			Building	Contractors		Totals		Corporate			Total
Three Months Ended June 30, 2015
Total revenues	$	573,360	$	472,247	$	326,798	$	1,372,405	$	—		$	1,372,405
Elimination of intersegment revenues		(39,180)		(20,843)		56		(59,967)		—			(59,967)
Revenues from external customers	$	534,180	$	451,404	$	326,854	$	1,312,438	$	—		$	1,312,438
Income from construction operations	$	46,329	$	(12,592)	$	13,743	$	47,480	$	(16,599)	(a)	$	30,881
Three Months Ended June 30, 2014
Total revenues	$	398,123	$	390,353	$	321,959	$	1,110,435	$	—		$	1,110,435
Elimination of intersegment revenues		(7,584)		(18,341)		—		(25,925)		—			(25,925)
Revenues from external customers	$	390,539	$	372,012	$	321,959	$	1,084,510	$	—		$	1,084,510
Income from construction operations	$	58,002	$	7,674	$	12,633	$	78,309	$	(12,866)	(a)	$	65,443
	Reportable Segments
					Specialty							Consolidated
(in thousands)	Civil			Building	Contractors		Totals		Corporate			Total
Six Months Ended June 30, 2015
Total revenues	$	966,236	$	888,309	$	619,816	$	2,474,361	$	—		$	2,474,361
Elimination of intersegment revenues		(57,382)		(38,076)		—		(95,458)		—			(95,458)
Revenues from external customers	$	908,854	$	850,233	$	619,816	$	2,378,903	$	—		$	2,378,903
Income from construction operations	$	76,923	$	(14,870)	$	24,267	$	86,320	$	(35,355)	(a)	$	50,965
Six Months Ended June 30, 2014
Total revenues	$	774,515	$	701,668	$	614,104	$	2,090,287	$	—		$	2,090,287
Elimination of intersegment revenues		(18,820)		(31,724)		—		(50,544)		—			(50,544)
Revenues from external customers	$	755,695	$	669,944	$	614,104	$	2,039,743	$	—		$	2,039,743
Income from construction operations	$	102,347	$	9,497	$	20,450	$	132,294	$	(25,354)	(a)	$	106,940

(a) Consists primarily of corporate general and administrative expenses.

Schedule of Assets by Segment

	June 30, 2015		December 31, 2014
(in thousands)
Building	$	671,060	$	680,933
Civil		1,934,040		1,814,170
Specialty Contractors		863,831		775,162
Totals	$	3,468,931	$	3,270,265
Corporate (a)		474,705		503,050
Consolidated Total	$	3,943,636	$	3,773,315

Consists principally of Cash and Cash Equivalents and corporate transportation equipment.