Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2015

Goodwill and Intangible Assets [Abstract]

Schedule of Carrying Amount of Goodwill

					Specialty
	Civil		Building		Contractors		Total
	(in thousands)
Gross Goodwill Balance	$	492,074	$	424,724	$	156,193	$	1,072,991
Accumulated Impairment		(76,716)		(411,269)		—		(487,985)
Balance at December 31, 2014	$	415,358	$	13,455	$	156,193	$	585,006
Current activity		—		—		—		—
Balance at June 30, 2015	$	415,358	$	13,455	$	156,193	$	585,006

Intangible Assets

	June 30, 2015								Weighted
					Accumulated				Average
			Accumulated		Impairment		Carrying		Amortization
	Cost		Amortization		Charge		Value		Period
	(in thousands)
Trade names (non-amortizable)	$	117,600	$	—	$	(67,190)	$	50,410	Indefinite
Trade names (amortizable)		74,350		(10,073)		(23,232)		41,045	20 years
Contractor license		6,000		—		(6,000)		—	Indefinite
Customer relationships		39,800		(16,242)		(16,645)		6,913	11.4 years
Construction contract backlog		73,706		(73,706)		—		—	N/A
Total	$	311,456	$	(100,021)	$	(113,067)	$	98,368

		December 31, 2014							Weighted
					Accumulated				Average
			Accumulated		Impairment		Carrying		Amortization
		Cost	Amortization		Charge		Value		Period
	(in thousands)
Trade names (non-amortizable)	$	117,600	$	—	$	(67,190)	$	50,410	Indefinite
Trade names (amortizable)		74,350		(8,829)		(23,232)		42,289	20 years
Contractor license		6,000		—		(6,000)		—	Indefinite
Customer relationships		39,800		(15,600)		(16,645)		7,555	11.4 years
Construction contract backlog		73,706		(73,706)		—		—	3.6 years
Total	$	311,456	$	(98,135)	$	(113,067)	$	100,254

Schedule of Estimated Amortization Expense of Intangible Assets

Fiscal Year		(in millions
2015 (six months remaining)	$	1.8
2016		3.5
2017		3.5
2018		3.5
2019		3.5
Thereafter		32.2
Total	$	48.0