v2.4.0.6

Other Assets (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012 TransUnion Holding Company, Inc. [Member]	Dec. 31, 2012 TransUnion Corp-Successor [Member]	Dec. 31, 2011 TransUnion Corp-Predecessor [Member]
Other assets
Investments in affiliated companies	$ 88.6	$ 88.6	$ 42.7
Deferred financing fees	34.0		23.7
Deposits	6.3	6.3	10.7
Other	0.9	0.8	0.7
Total other assets	$ 129.8	$ 95.7	$ 77.8

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