Goodwill and Identified Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 286,409	$ 249,726
Accumulated Amortization	(87,057)	(75,608)
Net Carrying Amount	$ 199,352	174,118
License Agreements
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	9 years 6 months
Gross Carrying Amount	$ 4,456	3,893
Accumulated Amortization	(3,400)	(3,275)
Net Carrying Amount	1,056	618
License Agreements | LMJ
Finite-Lived Intangible Assets [Line Items]
Finite intangible assets acquired	$ 600
Leases
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	11 years 1 month 2 days
Gross Carrying Amount	$ 2,064	2,065
Accumulated Amortization	(875)	(764)
Net Carrying Amount	$ 1,189	1,301
Trademarks
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	14 years 25 days
Gross Carrying Amount	$ 24,177	22,519
Accumulated Amortization	(7,454)	(6,262)
Net Carrying Amount	16,723	16,257
Trademarks | Underground Solutions
Finite-Lived Intangible Assets [Line Items]
Finite intangible assets acquired	1,400
Trademarks | Fyfe Europe
Finite-Lived Intangible Assets [Line Items]
Finite intangible assets acquired	100
Trademarks | Concrete Solutions
Finite-Lived Intangible Assets [Line Items]
Finite intangible assets acquired	$ 100
Non-competes
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	2 years 25 days
Gross Carrying Amount	$ 1,313	1,210
Accumulated Amortization	(1,026)	(945)
Net Carrying Amount	287	265
Non-competes | Fyfe Europe
Finite-Lived Intangible Assets [Line Items]
Finite intangible assets acquired	$ 100
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	11 years 10 months 17 days
Gross Carrying Amount	$ 187,860	164,779
Accumulated Amortization	(50,805)	(41,967)
Net Carrying Amount	137,055	122,812
Customer Relationships | Underground Solutions
Finite-Lived Intangible Assets [Line Items]
Finite intangible assets acquired	20,700
Customer Relationships | Fyfe Europe
Finite-Lived Intangible Assets [Line Items]
Finite intangible assets acquired	300
Customer Relationships | LMJ
Finite-Lived Intangible Assets [Line Items]
Finite intangible assets acquired	200
Customer Relationships | Concrete Solutions
Finite-Lived Intangible Assets [Line Items]
Finite intangible assets acquired	$ 1,600
Patents and acquired technology
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Lives	9 years 10 months 25 days
Gross Carrying Amount	$ 66,539	55,260
Accumulated Amortization	(23,497)	(22,395)
Net Carrying Amount	43,042	$ 32,865
Patents and acquired technology | Underground Solutions
Finite-Lived Intangible Assets [Line Items]
Finite intangible assets acquired	$ 11,300