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Goodwill and Intangible Assets (Tables)
 3 Months Ended
Mar. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in the carrying amount of Goodwill
The changes in the carrying value of Goodwill for the three months ended March 31, 2013 were as follows:
 
Goodwill
 
Accumulated
Impairment
Losses
 
Total
Balance as of December 31, 2012
$
68,585

 
$
(48,868
)
 
$
19,717

Foreign currency fluctuations
(2,863
)
 
2,944

 
81

Balance as of March 31, 2013
$
65,722

 
$
(45,924
)
 
$
19,798
Acquired intangible assets excluding Goodwill
The balances of acquired Intangible Assets, excluding Goodwill, as of March 31, 2013 and December 31, 2012 were as follows:

Customer Lists
and
Service Contracts
 
Trade
Name
 
Technology
 
Total
Balance as of March 31, 2013

 

 

 

Original cost
$
22,771

 
$
4,538

 
$
7,097

 
$
34,406

Accumulated amortization
(10,032
)
 
(1,608
)
 
(2,837
)
 
(14,477
)
Carrying value
$
12,739

 
$
2,930

 
$
4,260

 
$
19,929

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

 
 
Estimated aggregate amortization expense of Intangible Assets
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
$
1,536

2014
2,033

2015
2,003

2016
2,003

2017
1,838

Thereafter
10,516

Total
$
19,929