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Goodwill And Other Intangible Assets
12 Months Ended
Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill And Other Intangible Assets
Goodwill and Other Intangible Assets

The Company is required to review goodwill and indefinite-lived intangible assets annually for impairment. Goodwill impairment is tested at the reporting unit level on an annual basis and between annual tests if an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying value.
Our annual impairment test of goodwill was performed as of December 31, 2013. The estimated fair values of our reporting units were based on discounted cash flow models derived from internal earnings forecasts and assumptions. The assumptions and estimates used in these valuations incorporated the current and expected economic environment. Our model was based on our internally developed forecast and based on these valuations, the fair value substantially exceeded our net asset value. In addition, to the quantitative analysis, we have qualitatively assessed our reporting units and we believe that the quantitative analysis supporting the fair value in excess of the carrying value is appropriate. However, a further deterioration in the global economic environment or in any of the input assumptions in our calculation could adversely affect the fair value of our reporting units and result in an impairment of some or all of the goodwill on the balance sheet.
The changes in the Company’s carrying value of goodwill during the years ended December 31, 2012 and 2013 are as follows:
 
Total
 
(Dollars in Thousands)
Balance as of December 31, 2011
$
498,681

Translation effect
(420
)
Balance as of December 31, 2012
498,261

Translation effect
(1,451
)
Balance as of December 31, 2013
$
496,810


The following table summarizes acquired intangible assets with determinable useful lives by major category as of December 31, 2012 and 2013:
 
2012
 
2013
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Net
Carrying
Amount
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Net
Carrying
Amount
(Dollars in Thousands)
 
(Dollars in Thousands)
Trade name
7,900

 
(2,870
)
 
5,030

 
7,900

 
(3,944
)
 
3,956

Technology and know-how
43,349

 
(12,554
)
 
30,795

 
43,349

 
(18,582
)
 
24,767

Customer related intangible
110,798

 
(31,233
)
 
79,565

 
110,798

 
(44,664
)
 
66,134

Total finite-lived intangible assets
$
162,047

 
$
(46,657
)
 
$
115,390

 
$
162,047

 
$
(67,190
)
 
$
94,857


Amortization expense of intangible assets in 2011, 2012 and 2013 was $23.0 million, $22.3 million and $20.5 million, respectively. Estimated annual amortization expense for the next five years will approximate $19.0 million in 2014, $17.3 million in 2015, $13.2 million in 2016, $14.4 million in 2017 and $10.7 million in 2018.