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Goodwill and Intangible Assets (Tables)
 9 Months Ended
Sep. 30, 2012
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in the carrying amount of goodwill
The changes in the carrying value of Goodwill for the nine months ended September 30, 2012 were as follows:
 
Goodwill
 
Accumulated
Impairment
Losses
 
Total
 
Balance as of December 31, 2011
$
66,523

 
$
(46,220
)
 
$
20,303

 
Foreign currency fluctuations
1,641

 
(2,165
)
 
(524
)
 
Balance as of September 30, 2012
$
68,164

 
$
(48,385
)
 
$
19,779

 
Acquired intangible assets excluding Goodwill
The balances of acquired Intangible Assets, excluding Goodwill, as of September 30, 2012 and December 31, 2011 were as follows:

Customer Lists
and
Service Contracts
 
Trade
Name
 
Technology
 
Total
 
Balance as of September 30, 2012

 

 

 

 
Original cost
$
23,642

 
$
4,559

 
$
7,115

 
$
35,316

 
Accumulated amortization
(9,309
)
 
(1,450
)
 
(2,645
)
 
(13,404
)
 
Carrying value
$
14,333

 
$
3,109

 
$
4,470

 
$
21,912

 
Weighted-average original life (in years)
15

 
14

 
13

 
 

 
Balance as of December 31, 2011
 

 
 

 
 

 
 

 
Original cost
$
25,987

 
$
4,583

 
$
7,136

 
$
37,706

 
Accumulated amortization
(10,387
)
 
(1,209
)
 
(2,352
)
 
(13,948
)
 
Carrying value
$
15,600

 
$
3,374

 
$
4,784

 
$
23,758

 
Weighted-average original life (in years)
14

 
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 2012
$
575

 
2013
2,299

 
2014
2,240

 
2015
2,228

 
2016
2,188

 
Thereafter
12,382

 
Total
$
21,912