v2.4.0.6

Change in Control Transactions (Details 1) (USD $) In Millions, unless otherwise specified | 4 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 30, 2012 | Dec. 31, 2012
Identifiable Intangible Assets |  |
Total identifiable intangible assets | $ 1,986.4 |
Database and credit files [Member] |  |
Identifiable Intangible Assets |  |
Total identifiable intangible assets | 765.0 |
Estimated Useful Life | 15 years | 15 years
Technology and software [Member] |  |
Identifiable Intangible Assets |  |
Total identifiable intangible assets | 364.6 |
Estimated Useful Life | 7 years |
Trade names and trademarks [Member] |  |
Identifiable Intangible Assets |  |
Total identifiable intangible assets | 546.1 |
Estimated Useful Life | 40 years | 40 years
Customer relationships [Member] |  |
Identifiable Intangible Assets |  |
Total identifiable intangible assets | 308.0 |
Estimated Useful Life | 20 years | 20 years
Other [Member] |  |
Identifiable Intangible Assets |  |
Total identifiable intangible assets | $ 2.7 |
Estimated Useful Life | 5 years |

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- Definition The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 52 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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