Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Other Intangible Assets [Abstract]


					Specialty
(in thousands)	Civil		Building		Contractors		Total
Balance as of December 31, 2013(a)	$	415,358	$	13,455	$	148,943	$	577,756
2014 activity (b)		—		—		7,250		7,250
Balance as of December 31, 2014(a)	$	415,358	$	13,455	$	156,193	$	585,006
2015 activity		—		—		—		—
Balance as of December 31, 2015(a)	$	415,358	$	13,455	$	156,193	$	585,006

(a)

Balances presented include historical accumulated impairment of $76.7 million for the Civil segment and $411.3 million for the Building segment.

(b)

In the second quarter of 2014, the Company made an acquisition-related adjustment for a small fire protection systems contractor which was acquired in September 2013.

Intangible Assets


	As of December 31, 2015						As of December 31, 2014
	Gross				Net		Gross				Net
	Carrying		Accumulated		Carrying		Carrying		Accumulated		Carrying
(in thousands)	Value		Amortization		Value		Value		Amortization		Value
Trade names (non-amortizable)	$	50,410	$	N/A	$	50,410	$	50,410	$	N/A	$	50,410
Trade names (amortizable) (a)		51,118		(11,316)		39,802		51,118		(8,829)		42,289
Customer relationships (a)		23,155		(16,827)		6,328		23,155		(15,600)		7,555
Total	$	124,683	$	(28,143)	$	96,540	$	124,683	$	(24,429)	$	100,254

(a)

The weighted-average amortization period for amortizable trade names and customer relationships is 20 years and 11 years, respectively.

Future Amortization Expense



Fiscal Year	(in millions)
2016	$	3.5
2017		3.5
2018		3.5
2019		3.5
2020		3.5
Thereafter		28.6
Total	$	46.1