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Goodwill and Intangible Assets
12 Months Ended
Dec. 31, 2012
Goodwill and Intangible Assets [Abstract]  
GOODWILL AND INTANGIBLE ASSETS
12. GOODWILL AND INTANGIBLE ASSETS

The following table sets forth information with respect to goodwill and other intangible assets which are recorded in the caption “Other long-term assets” in the accompanying consolidated balance sheets:

 

                 
    December 31  

In thousands

    2012       2011  

Goodwill – Composite Fibers

    $16,601     $ 16,161  

Specialty Papers

               

Customer relationships

  $ 6,155     $ 6,155  

Composite Fibers

               

Technology and related

    4,365       4,174  

Customer relationships and related

    1,872       1,790  

Advanced Airlaid Materials

               

Technology and related

    1,579       1,560  

Customer relationships and related

    3,300       3,238  

Total intangibles

    17,271       16,917  

Accumulated amortization

    (8,970     (7,027

Net intangibles

  $ 8,301     $ 9,890  

The change in goodwill was due to foreign currency translation adjustments. Other than non-amortizable goodwill, intangible assets are amortized on a straight-line basis. Customer relationships are amortized over periods ranging from 3 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

    2012       2011  

Aggregate amortization expense

  $ 1,778     $ 1,858  

Estimated amortization expense

               

2013

    1,314          

2014

    1,314          

2015

    1,314          

2016

    852          

2017

    699          

The remaining weighted average useful life of intangible assets was 8.2 years at December 31, 2012.