v2.4.0.6
Debt (Details 3) (USD $)
In Millions, unless otherwise specified
12 Months Ended 8 Months Ended 4 Months Ended 12 Months Ended 4 Months Ended 12 Months Ended 4 Months Ended 12 Months Ended
Dec. 31, 2012
TransUnion Holding Company, Inc. [Member]
Dec. 31, 2012
TransUnion Holding Company, Inc. [Member]
9.625% notes [Member]
Dec. 31, 2012
TransUnion Holding Company, Inc. [Member]
Senior secured revolving line of credit [Member]
Dec. 31, 2012
TransUnion Holding Company, Inc. [Member]
Other debt [Member]
Dec. 31, 2012
TransUnion Corp-Successor [Member]
Dec. 31, 2012
TransUnion Corp-Successor [Member]
Senior secured revolving line of credit [Member]
Dec. 31, 2012
TransUnion Corp-Successor [Member]
Other debt [Member]
Apr. 30, 2012
TransUnion Corp-Predecessor [Member]
Dec. 31, 2011
TransUnion Corp-Predecessor [Member]
Dec. 31, 2010
TransUnion Corp-Predecessor [Member]
Dec. 31, 2011
TransUnion Corp-Predecessor [Member]
Senior secured term loan [Member]
Apr. 30, 2012
TransUnion Corp-Predecessor [Member]
Senior secured revolving line of credit [Member]
Dec. 31, 2011
TransUnion Corp-Predecessor [Member]
Senior secured revolving line of credit [Member]
Dec. 31, 2010
TransUnion Corp-Predecessor [Member]
Senior secured revolving line of credit [Member]
Apr. 30, 2012
TransUnion Corp-Predecessor [Member]
Other debt [Member]
Dec. 31, 2011
TransUnion Corp-Predecessor [Member]
Other debt [Member]
Dec. 31, 2010
TransUnion Corp-Predecessor [Member]
Other debt [Member]
Loan fees included in other interest and expense                                  
Loss on early extinguishment of debt                 $ (59.3) $ (11.0) $ 59.3            
Unused revolving line of credit fees     0.7     0.7           0.3 1.0 0.5      
Amortized deferred financing fees                       0.1 0.3 1.0     0.6
Other loan fees   1.0   0.2     0.2               2.7 0.3 19.5
Total loan fees $ 1.9   $ 0.7 $ 0.2 $ 0.9 $ 0.7 $ 0.2 $ 3.1 $ 60.9 $ 21.6   $ 0.4 $ 1.3 $ 1.5 $ 2.7 $ 0.3 $ 20.1