v2.4.0.6

Financial Statements of Guarantors (Details 2) (USD $) In Millions, unless otherwise specified	8 Months Ended	4 Months Ended	12 Months Ended		8 Months Ended	4 Months Ended	12 Months Ended		8 Months Ended	4 Months Ended	12 Months Ended		8 Months Ended	4 Months Ended	12 Months Ended		8 Months Ended	4 Months Ended	12 Months Ended		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]	Dec. 31, 2012 Parent TransUnion Corp. [Member] TransUnion Corp-Successor [Member]	Apr. 30, 2012 Parent TransUnion Corp. [Member] TransUnion Corp-Predecessor [Member]	Dec. 31, 2011 Parent TransUnion Corp. [Member] TransUnion Corp-Predecessor [Member]	Dec. 31, 2010 Parent TransUnion Corp. [Member] TransUnion Corp-Predecessor [Member]	Dec. 31, 2012 Issuers Trans Union LLC and TransUnion Financing Corporation [Member] TransUnion Corp-Successor [Member]	Apr. 30, 2012 Issuers Trans Union LLC and TransUnion Financing Corporation [Member] TransUnion Corp-Predecessor [Member]	Dec. 31, 2011 Issuers Trans Union LLC and TransUnion Financing Corporation [Member] TransUnion Corp-Predecessor [Member]	Dec. 31, 2010 Issuers Trans Union LLC and TransUnion Financing Corporation [Member] TransUnion Corp-Predecessor [Member]	Dec. 31, 2012 Guarantor Subsidiaries [Member] TransUnion Corp-Successor [Member]	Apr. 30, 2012 Guarantor Subsidiaries [Member] TransUnion Corp-Predecessor [Member]	Dec. 31, 2011 Guarantor Subsidiaries [Member] TransUnion Corp-Predecessor [Member]	Dec. 31, 2010 Guarantor Subsidiaries [Member] TransUnion Corp-Predecessor [Member]	Dec. 31, 2012 Non-Guarantor Subsidiaries [Member] TransUnion Corp-Successor [Member]	Apr. 30, 2012 Non-Guarantor Subsidiaries [Member] TransUnion Corp-Predecessor [Member]	Dec. 31, 2011 Non-Guarantor Subsidiaries [Member] TransUnion Corp-Predecessor [Member]	Dec. 31, 2010 Non-Guarantor Subsidiaries [Member] TransUnion Corp-Predecessor [Member]	Dec. 31, 2012 Eliminations [Member] TransUnion Corp-Successor [Member]	Apr. 30, 2012 Eliminations [Member] TransUnion Corp-Predecessor [Member]	Dec. 31, 2011 Eliminations [Member] TransUnion Corp-Predecessor [Member]	Dec. 31, 2010 Eliminations [Member] TransUnion Corp-Predecessor [Member]
Consolidating Statement of Comprehensive Income
Net income	$ 47.9	$ (52.4)	$ 48.8	$ 44.9	$ 43.0	$ (54.9)	$ 40.8	$ 36.6	$ 61.5	$ (51.8)	$ 42.9	$ 37.6	$ 26.5	$ 10.0	$ 20.0	$ 14.3	$ 32.4	$ 18.0	$ 69.7	$ 65.3	$ (115.5)	$ 26.3	$ (124.6)	$ (108.9)
Other comprehensive income (loss), net of tax
Foreign currency translation adjustment	(22.7)	2.5	(14.5)	9.4	(20.7)	2.2	(12.9)	8.6	(20.7)	2.2	(12.9)	8.6					(22.7)	2.5	(14.5)	9.4	41.4	(4.4)	25.8	(17.2)
Net unrealized loss on hedges	(3.7)			(1.1)	(3.7)			(1.1)	(3.7)			(1.1)									3.7			1.1
Total other comprehensive income (loss), net of tax	(26.4)	2.5	(14.5)	8.3	(24.4)	2.2	(12.9)	7.5	(24.4)	2.2	(12.9)	7.5					(22.7)	2.5	(14.5)	9.4	45.1	(4.4)	25.8	(16.1)
Comprehensive income (loss)	21.5	(49.9)	34.3	53.2	18.6	(52.7)	27.9	44.1	37.1	(49.6)	30.0	45.1	26.5	10.0	20.0	14.3	9.7	20.5	55.2	74.7	(70.4)	21.9	(98.8)	(125.0)
Less: comprehensive income attributable to noncontrolling interests	(2.9)	(2.8)	(6.4)	(9.1)													(2.9)	(2.8)	(6.4)	(9.1)
Comprehensive income (loss) attributable to TransUnion Corp and TransUnion Holding Company, Inc.	$ 18.6	$ (52.7)	$ 27.9	$ 44.1	$ 18.6	$ (52.7)	$ 27.9	$ 44.1	$ 37.1	$ (49.6)	$ 30.0	$ 45.1	$ 26.5	$ 10.0	$ 20.0	$ 14.3	$ 6.8	$ 17.7	$ 48.8	$ 65.6	$ (70.4)	$ 21.9	$ (98.8)	$ (125.0)

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Net of tax and reclassification adjustments of the change in the balance sheet adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency of the reporting entity. Also includes the following: gain (loss) on foreign currency forward exchange contracts; foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; and gain (loss) on a derivative instrument or nonderivative financial instrument that may give rise to a foreign currency transaction gain (loss) that has been designated and qualified as a hedging instrument for hedging of the foreign currency exposure of a net investment in a foreign operation.

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