v2.4.0.6

Change in Control Transactions (Details) (USD $) In Millions, unless otherwise specified	Apr. 30, 2012
Allocation of purchase price value of the assets acquired and the liabilities assumed
Total identifiable intangible assets	$ 1,986.4
TransUnion Corp-Predecessor [Member]
Allocation of purchase price value of the assets acquired and the liabilities assumed
Trade accounts receivable	162.4
Property and equipment	112.9
Total identifiable intangible assets	1,986.4
Goodwill	1,801.5
All other assets	302.3
Total assets acquired	4,365.5
Existing debt (including fair value adjustment)	(1,710.8)
All other liabilities	(948.7)
Less: noncontrolling interests	(113.3)
Net assets of acquired company	$ 1,592.7

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

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