Annual report pursuant to Section 13 and 15(d)

Intangible Assets

v3.8.0.1
Intangible Assets
 12 Months Ended
Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets
INTANGIBLE ASSETS
The following table summarizes acquired intangible assets as follows:
 
 
 
December 31, 2017
 
December 31, 2016
(In thousands)
Weighted
Average Life
 
Gross Carrying
Amount
 
Accumulated
Amortization
 
Gross Carrying
Amount
 
Accumulated
Amortization
Patents
11 Years
 
$
2,146

 
$
1,629

 
$
2,146

 
$
1,450

Non-compete Agreement
4 Years
 
10,900

 
1,687

 
2,500

 
979

Trade Names
10 Years
 
11,492

 
4,114

 
10,189

 
3,153

Completed and Unpatented Technology
10 Years
 
38,114

 
11,931

 
24,118

 
9,221

Backlog
2 Years
 
14,424

 
12,184

 
11,224

 
11,224

Customer Relationships
16 Years
 
137,967

 
30,005

 
97,046

 
23,093

Total Intangible Assets
13 Years
 
$
215,043

 
$
61,550

 
$
147,223

 
$
49,120


Amortization is computed on the straight-line method for financial reporting purposes, with the exception of backlog, which is amortized based on the expected realization period of the acquired backlog. Amortization expense for intangibles was $12.3 million, $10.8 million and $11.3 million for 2017, 2016 and 2015, respectively.
Based upon acquired intangible assets at December 31, 2017, amortization expense for each of the next five years is estimated to be:
(In thousands)
 
2018
$
19,354

2019
$
16,700

2020
$
15,975

2021
$
14,065

2022
$
13,631