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Goodwill and Intangible Assets
12 Months Ended
Dec. 31, 2017
Goodwill And Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets

13.

GOODWILL AND INTANGIBLE ASSETS

The following table sets forth information with respect to goodwill and other intangible assets:

 

 

December 31

 

In thousands

 

2017

 

 

 

 

2016

 

Goodwill – Composite Fibers

$

82,744

 

 

 

$

73,094

 

 

 

 

 

 

 

 

 

 

Specialty Papers

 

 

 

 

 

 

 

 

Customer relationships

$

6,155

 

 

 

$

6,155

 

Composite Fibers

 

 

 

 

 

 

 

 

Tradename

 

4,773

 

 

 

 

4,195

 

Technology and related

 

40,686

 

 

 

 

35,874

 

Customer relationships and related

 

36,705

 

 

 

 

32,310

 

Advanced Airlaid Materials

 

 

 

 

 

 

 

 

Technology and related

 

1,488

 

 

 

 

1,377

 

Customer relationships and related

 

3,001

 

 

 

 

2,638

 

Total intangibles

 

92,808

 

 

 

 

82,549

 

Accumulated amortization

 

(33,949

)

 

 

 

(26,290

)

Net intangibles

$

58,859

 

 

 

$

56,259

 

 

The change in the gross value of goodwill and intangible assets was due to currency translation adjustments. Other than non-amortizable goodwill and tradename, intangible assets are amortized on a straight-line basis. Customer relationships are amortized over periods ranging from 10 years to 14 years and technology and related intangible assets are amortized over periods ranging from 14 years to 20 years. The following table sets forth information pertaining to amortization of intangible assets:

 

In thousands

 

 

2017

 

 

 

 

2016

 

 

 

 

2015

 

Aggregate amortization

   expense:

 

$

4,773

 

 

 

$

4,852

 

 

 

$

5,340

 

Estimated amortization

   expense:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2018

 

 

4,773

 

 

 

 

 

 

 

 

 

 

 

 

2019

 

 

4,773

 

 

 

 

 

 

 

 

 

 

 

 

2020

 

 

4,639

 

 

 

 

 

 

 

 

 

 

 

 

2021

 

 

4,254

 

 

 

 

 

 

 

 

 

 

 

 

2022

 

 

4,139

 

 

 

 

 

 

 

 

 

 

 

 

The remaining weighted average useful life of intangible assets was 12.2 years at December 31, 2017.