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Goodwill and Intangible Assets
9 Months Ended
Sep. 30, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets
6.
Goodwill and Intangible Assets
The changes in the carrying value of Goodwill for the nine months ended September 30, 2013 were as follows:
 
Goodwill
 
Accumulated
Impairment
Losses
 
Total
Balance as of December 31, 2012
$
68,585

 
$
(48,868
)
 
$
19,717

Foreign currency fluctuations
(475
)
 
4

 
(471
)
Balance as of September 30, 2013
$
68,110

 
$
(48,864
)
 
$
19,246


The balances of acquired Intangible Assets, excluding Goodwill, as of September 30, 2013 and December 31, 2012 were as follows:
 
Customer Lists
 
Trade
Name
 
Technology
 
Total
Balance as of September 30, 2013
 
 
 
 
 
 
 
Original cost
$
23,538

 
$
4,758

 
$
7,283

 
$
35,579

Accumulated amortization
(11,130
)
 
(1,858
)
 
(3,180
)
 
(16,168
)
Carrying value
$
12,408

 
$
2,900

 
$
4,103

 
$
19,411

Weighted-average original life (in years)
15

 
14

 
13

 
 

Balance as of December 31, 2012
 

 
 

 
 

 
 

Original cost
$
23,817

 
$
4,657

 
$
7,197

 
$
35,671

Accumulated amortization
(9,907
)
 
(1,565
)
 
(2,806
)
 
(14,278
)
Carrying value
$
13,910

 
$
3,092

 
$
4,391

 
$
21,393

Weighted-average original life (in years)
15

 
14

 
13

 
 


Amortization expense on Intangible Assets for the three and nine months ended September 30, 2013 was $633 and $1,914, respectively. Amortization expense on Intangible Assets for the three and nine months ended September 30, 2012 was $663 and $2,095, respectively.
Estimated aggregate amortization expense based on the current carrying value of amortizable Intangible Assets for each of the five succeeding years and thereafter is as follows:
Remaining 2013
$
478

2014
1,912

2015
1,896

2016
1,894

2017
1,863

Thereafter
11,368

Total
$
19,411