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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract] |
Changes in the carrying amount of Goodwill | The changes in the carrying amount of Goodwill are as follows:
| Goodwill |  | Accumulated Impairment Losses |  | Total
Balance as of December 31, 2011 | $ | 66,523 |  |  | $ | (46,220 | ) |  | $ | 20,303 |
Foreign currency fluctuations | 2,062 |  |  | (2,648 | ) |  | (586 | )
Balance as of December 31, 2012 | $ | 68,585 |  |  | $ | (48,868 | ) |  | $ | 19,717 |
Balance as of December 31, 2010 | $ | 67,008 |  |  | $ | (46,585 | ) |  | $ | 20,423 |
Additions | 688 |  |  | — |  |  | 688 |
Foreign currency fluctuations | (1,173 | ) |  | 365 |  |  | (808 | )
Balance as of December 31, 2011 | $ | 66,523 |  |  | $ | (46,220 | ) |  | $ | 20,303 |
Acquired Intangible Assets excluding Goodwill | The balances of acquired Intangible Assets, excluding Goodwill, as of December 31, are as follows:
| Customer Lists and Service Contracts |  | Trade Name |  | Technology |  | Total
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 amount | $ | 13,910 |  |  | $ | 3,092 |  |  | $ | 4,391 |  |  | $ | 21,393 |
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 amount | $ | 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 amount of amortizable Intangible Assets for each of the five succeeding years is as follows:
2013 | $ | 2,213 |
2014 | 2,178 |
2015 | 2,154 |
2016 | 2,141 |
2017 | 1,877 |
Thereafter | 10,830 |
Total | $ | 21,393 |

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- Definition Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 44 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References No definition available. + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 47 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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