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Goodwill and Identified Intangible Assets (Tables)
 9 Months Ended
Sep. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
Goodwill
The following table presents a reconciliation of the beginning and ending balances of the Company’s goodwill at January 1, 2016 and September 30, 2016 (in thousands):
 
Infrastructure
Solutions
 
Corrosion
Protection
 
Energy
Services
 
Total
Balance, January 1, 2016
 
 
 
 
 
 
 
Goodwill, gross
$
190,525

 
$
73,345

 
$
80,246

 
$
344,116

Accumulated impairment losses
(16,069
)
 
(45,400
)
 
(33,527
)
 
(94,996
)
Goodwill, net
174,456

 
27,945

 
46,719

 
249,120

Acquisitions (1)
50,553

 
—

 
—

 
50,553

Foreign currency translation
324

 
682

 
—

 
1,006

Balance, September 30, 2016
 
 
 
 
 
 
 
Goodwill, gross
241,402

 
74,027

 
80,246

 
395,675

Accumulated impairment losses
(16,069
)
 
(45,400
)
 
(33,527
)
 
(94,996
)
Goodwill, net
$
225,333

 
$
28,627

 
$
46,719

 
$
300,679

__________________________
(1) 
During the first nine months of 2016, the Company recorded goodwill of $44.0 million, $2.4 million, $0.8 million and $3.4 million related to the acquisitions of Underground Solutions, Fyfe Europe, LMJ and Concrete Solutions, respectively (see Note 1).
Schedule of Identified Intangible Assets
Identified Intangible Assets
Identified intangible assets consisted of the following (in thousands):
(in thousands)
 
 
September 30, 2016
 
December 31, 2015
 
Weighted
Average
Useful
Lives
(Years)
 
Gross Carrying Amount
 
Accumulated Amortization
 
Net Carrying Amount
 
Gross Carrying Amount
 
Accumulated Amortization
 
Net Carrying Amount
License agreements (1)
9.5
 
$
4,456

 
$
(3,400
)
 
$
1,056

 
$
3,893

 
$
(3,275
)
 
$
618

Leases
11.1
 
2,064

 
(875
)
 
1,189

 
2,065

 
(764
)
 
1,301

Trademarks (2)
14.1
 
24,177

 
(7,454
)
 
16,723

 
22,519

 
(6,262
)
 
16,257

Non-competes (3)
2.1
 
1,313

 
(1,026
)
 
287

 
1,210

 
(945
)
 
265

Customer relationships (4)
11.9
 
187,860

 
(50,805
)
 
137,055

 
164,779

 
(41,967
)
 
122,812

Patents and acquired technology (5)
9.9
 
66,539

 
(23,497
)
 
43,042

 
55,260

 
(22,395
)
 
32,865

 
 
 
$
286,409

 
$
(87,057
)
 
$
199,352

 
$
249,726

 
$
(75,608
)
 
$
174,118


__________________________
(1) 
During the first nine months of 2016, the Company recorded license agreements of $0.6 million related to the acquisition of LMJ’s CIPP business (see Note 1).
(2) 
During the first nine months of 2016, the Company recorded trademarks of $1.4 million, $0.1 million and $0.1 million related to the acquisitions of Underground Solutions, Fyfe Europe and Concrete Solutions, respectively (see Note 1).
(3) 
During the first nine months of 2016, the Company recorded non-compete agreements of $0.1 million related to the acquisition of Fyfe Europe (see Note 1).
(4) 
During the first nine months of 2016, the Company recorded customer relationships of $20.7 million, $0.3 million, $0.2 million and $1.6 million related to the acquisitions of Underground Solutions, Fyfe Europe, LMJ’s CIPP business and Concrete Solutions, respectively (see Note 1).
(5) 
During the first nine months of 2016, the Company recorded acquired technology of $11.3 million related to the acquisition of Underground Solutions (see Note 1).
Schedule of Estimated Amortization Expense
Estimated amortization expense by year is as follows (in thousands):
2016
 
$
16,393

2017
 
17,182

2018
 
17,088

2019
 
16,846

2020
 
16,811