v2.4.0.6

Debt (Details 1) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012
TransUnion Holding Company, Inc. [Member]
Scheduled future maturities
2013	$ 10.6
2014	9.5
2015	9.5
2016	9.5
2017	9.5
Thereafter	2,520.9
Unamortized premiums and discounts on notes	111.4
Total debt	2,680.9
TransUnion Corp-Successor [Member]
Scheduled future maturities
2013	10.6
2014	9.5
2015	9.5
2016	9.5
2017	9.5
Thereafter	1,520.9
Unamortized premiums and discounts on notes	113.4
Total debt	$ 1,682.9

X

- Definition

The amount of debt discount (net of debt premium) that was originally recognized at the issuance of the instrument that has yet to be amortized.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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