Other Intangible Assets
 3 Months Ended
Mar. 31, 2016
Goodwill And Intangible Assets Disclosure [Abstract]  
Other Intangible Assets

Note 5 – Other Intangible Assets

Other intangible assets consist of the following:

 

(in thousands)

 

March 31,

2016

 

 

December 31,
2015

 

Finite-lived intangible assets:

  

 

 

 

 

 

 

 

Customer relationships

 

$

94,611

  

 

$

93,572

  

Noncompete agreements

 

 

27,543

  

 

 

26,963

  

Trademarks

 

 

9,378

  

 

 

9,341

  

Internal-use software licenses

 

 

3,771

 

 

 

—

 

Patents

 

 

2,840

  

 

 

2,840

  

 

 

 

138,143

  

 

 

132,716

  

Accumulated amortization

 

 

(104,996

)

 

 

(101,479

)

 

 

 

33,147

  

 

 

31,237

  

Indefinite-lived intangible assets:

 

 

 

 

 

 

 

 

Licenses

 

 

16,877

  

 

 

16,877

  

 

 

$

50,024

  

 

$

48,114

  

 

Amortization expense for finite-lived intangible assets was $2.4 million and $2.5 million for the three months ended March 31, 2016 and 2015, respectively.

 


Estimated amortization expense for finite-lived intangible assets for the next five years is as follows:

 

Year

(in thousands)

 

Remainder of 2016

$

7,215

  

2017

$

8,290

  

2018

$

5,775

  

2019

$

4,056

  

2020

$

2,452

  

2021

$

1,092