v2.4.0.6

Operating Segments (Details 1) (USD $) In Millions, unless otherwise specified | 8 Months Ended | 4 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2012 TransUnion Corp-Successor [Member] | Apr. 30, 2012 TransUnion Corp-Predecessor [Member] | Dec. 31, 2011 TransUnion Corp-Predecessor [Member] | Dec. 31, 2010 TransUnion Corp-Predecessor [Member]
Reconciliation of operating income (loss) to income from continuing operations before income tax: |  |  |  |
Operating income from segments | $ 142.1 | $ (0.2) | $ 252.7 | $ 216.1
Non-operating income and expense | (69.9) | (63.7) | (185.6) | (133.1)
Income (loss) from continuing operations before income taxes | $ 72.2 | $ (63.9) | $ 67.1 | $ 83.0

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- Definition This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Article 5 + Details
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