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Note E - Goodwill and Other Intangible Assets
12 Months Ended
Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Disclosure [Text Block]

NOTE E—GOODWILL AND OTHER INTANGIBLE ASSETS


Goodwill


The changes in the carrying amount of goodwill for the fiscal years ended December 31 were as follows:


   

2013

   

2012

 

Balance as of January 1

  $ 410,583     $ 401,134  

Goodwill resulting from the Ironworks business combination

          119  

Goodwill resulting from the GHK business combination

    (101

)

    7,857  

Goodwill resulting from the Symbiotic Engineering business combination

          1,473  

Goodwill resulting from the ECA business combination

    8,357        

Balance as of December 31

  $ 418,839     $ 410,583  

Other Intangible Assets


Intangible assets are primarily amortized over periods ranging from approximately 1 to 10 years. The weighted-average period of amortization for all intangible assets as of December 31, 2013, is 7.4 years. The customer-related intangible assets related to the business combinations, which consist of customer contracts, backlog, and non-contractual customer relationships, are being amortized based on estimated cash flows and respective estimated economic benefit of the assets. The weighted-average period of amortization of the customer-related intangibles is 7.4 years. Intangible assets related to acquired developed technology are being amortized on an accelerated basis over a weighted-average period of 4.8 years. Other intangibles consisted of the following at December 31:


   

2013

   

2012

 

Customer-related intangibles

  $ 58,829     $ 58,204  

Developed technology

    960       3,237  

Marketing trade name

          814  
      59,789       62,255  

Less: accumulated amortization

    (47,550

)

    (41,239

)

Total other intangible assets, net

  $ 12,239     $ 21,016  

Aggregate amortization expense for the years ended December 31, 2013, 2012, and 2011, was approximately $9.5 million, $14.1 million, and $9.6 million, respectively. The estimated future amortization expense relating to intangible assets is as follows:


Year ending December 31,

       

2014

  $ 5,737  

2015

    3,012  

2016

    1,719  

2017

    1,024  

2018

    519  

Thereafter

    228  
    $ 12,239