v2.4.0.6
Quarterly Financial Data (Unaudited) (Details 1) (USD $)
In Millions, unless otherwise specified
8 Months Ended 4 Months Ended 12 Months Ended 2 Months Ended 3 Months Ended 1 Months Ended 3 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]
Jun. 30, 2012
TransUnion Corp [Member]
TransUnion Corp-Successor [Member]
Dec. 31, 2012
TransUnion Corp [Member]
TransUnion Corp-Successor [Member]
Sep. 30, 2012
TransUnion Corp [Member]
TransUnion Corp-Successor [Member]
Apr. 30, 2012
TransUnion Corp [Member]
TransUnion Corp-Predecessor [Member]
Mar. 31, 2012
TransUnion Corp [Member]
TransUnion Corp-Predecessor [Member]
Dec. 31, 2011
TransUnion Corp [Member]
TransUnion Corp-Predecessor [Member]
Sep. 30, 2011
TransUnion Corp [Member]
TransUnion Corp-Predecessor [Member]
Jun. 30, 2011
TransUnion Corp [Member]
TransUnion Corp-Predecessor [Member]
Mar. 31, 2011
TransUnion Corp [Member]
TransUnion Corp-Predecessor [Member]
Summary of quarterly financial data                          
Revenue         $ 190.9 $ 284.4 $ 291.7 $ 92.4 $ 280.6 $ 253.0 $ 267.6 $ 257.5 $ 245.9
Operating income 142.1 (0.2) 252.7 216.1 37.0 43.6 61.6 (65.8) 65.6 64.3 72.8 60.5 55.1
Income (loss) from continuing operations                   18.0 29.3 25.2 (23.3)
Discontinued operations, net of tax     (0.5) 8.2               (0.3) (0.1)
Net income (loss) 47.9 (52.4) 48.8 44.9 10.8 14.1 23.0 (64.5) 12.1 18.0 29.3 24.9 (23.4)
Net income (loss) attributable to TransUnion Corp. $ 43.0 $ (54.9) $ 40.8 $ 36.6 $ 9.6 $ 12.6 $ 20.8 $ (65.1) $ 10.2 $ 16.3 $ 27.1 $ 22.9 $ (25.5)