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Other Liabilities (Details Textual) (TransUnion Corp-Successor [Member], USD $)
In Millions, unless otherwise specified |
12 Months Ended |
|---|---|
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Dec. 31, 2011
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TransUnion Corp-Successor [Member]
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| Other Liabilities (Textual) [Abstract] | |
| Deferred income taxes increased | $ 605.9 |