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Condensed Consolidated Financial Statements (Tables) | 6 Months Ended
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Jun. 30, 2012
Revenues in Consolidated Statements of Operations from Arrangements for which VSOE of Fair Value Does Not Exist for Each Undelivered Element | This allocation methodology has been applied to the following amounts included in revenues in the consolidated statements of operations from arrangements for which VSOE of fair value does not exist for each undelivered element (in thousands):
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Software license fees |  | $ | 9,799 |  |  | $ | 18,922 |  |  | $ | 21,458 |  |  | $ | 41,840 |
Maintenance fees |  |  | 4,273 |  |  |  | 3,547 |  |  |  | 8,269 |  |  |  | 8,812 |
Services |  |  | 197 |  |  |  | 336 |  |  |  | 632 |  |  |  | 459 |
Total |  | $ | 14,269 |  |  | $ | 22,805 |  |  | $ | 30,359 |  |  | $ | 51,111 |

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- Definition Tabular disclosure of the recognition of revenue arrangements under which the entity does or will perform multiple revenue-generating activities, categorized by type of arrangement. This item includes certain revenue arrangements that include software elements. This item does not include multiple-deliverable arrangements for industries that prepare disclosures under specific requirements (for instance, construction-type and production-type contracts) otherwise provided for in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 25 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=19771336&loc=SL6750900-111635 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 25 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=19771336&loc=d3e50766-111635 + Details
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