v2.4.0.6
Property, Plant and Equipment (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2012
TransUnion Corp-Successor [Member]
Dec. 31, 2011
TransUnion Corp-Predecessor [Member]
Dec. 31, 2012
TransUnion Holding Company, Inc. [Member]
Apr. 30, 2012
TransUnion Holding Company, Inc. [Member]
Dec. 31, 2012
TransUnion Holding Company, Inc. [Member]
TransUnion Corp-Successor [Member]
Property, plant and equipment          
Purchased software   $ 144.5     $ 26.2
Computer equipment and furniture   242.5     75.5
Building and building improvements   61.1     42.7
Land   3.2     3.2
Total cost of property, plant and equipment   451.3     147.6
Less: accumulated depreciation (26.4) (342.3) (26.4) 0 (26.4)
Total property, plant and equipment, net of accumulated depreciation $ 121.2 $ 109.0 $ 121.2   $ 121.2