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Intangible Assets
 6 Months Ended
Jun. 30, 2017
Intangible Assets [Abstract]  
Intangible Assets

(5)  Intangible Assets



Intangible assets, net, other than goodwill, as of June 30, 2017 and December 31, 2016 were as follows:



 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 



2017

 

2016

 

 

 

 

(in thousands)

Gross

 

Accumulated Amortization

 

Net

 

Gross

 

Accumulated Amortization

 

Net

 

Useful Life (in years)

 

Weighted Average Useful Life Remaining (in years)

Intangible assets with finite lives:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Customer relationships

$

 106,238 

 

$

 (53,546)

 

$

 52,692 

 

$

 99,067 

 

$

 (46,252)

 

$

 52,815 

 

1-14

 

6

Acquired technology

 

 55,492 

 

 

 (34,822)

 

 

 20,670 

 

 

 52,881 

 

 

 (27,543)

 

 

 25,338 

 

1-16

 

4

Trade names

 

 30,409 

 

 

 (18,099)

 

 

 12,310 

 

 

 28,110 

 

 

 (16,015)

 

 

 12,095 

 

1-8

 

5

Patent costs

 

 17,072 

 

 

 (6,613)

 

 

 10,459 

 

 

 16,263 

 

 

 (5,873)

 

 

 10,390 

 

1-20

 

9

Trade secrets

 

 19,569 

 

 

 (10,537)

 

 

 9,032 

 

 

 19,134 

 

 

 (9,383)

 

 

 9,751 

 

7

 

4

Acquired patents

 

 17,038 

 

 

 (11,526)

 

 

 5,512 

 

 

 16,965 

 

 

 (10,674)

 

 

 6,291 

 

1-6

 

4

Other

 

 25,586 

 

 

 (21,250)

 

 

 4,336 

 

 

 23,431 

 

 

 (18,610)

 

 

 4,821 

 

2-4

 

2

Total intangible assets

$

 271,404 

 

$

 (156,393)

 

$

 115,011 

 

$

 255,851 

 

$

 (134,350)

 

$

 121,501 

 

1-20

 

4



Amortization expense related to intangible assets was $8,984 and $17,816 for the quarter and six months ended June 30, 2017, respectively, compared to $8,860 and $17,679 for the quarter and six months ended June 30, 2016, respectively.