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)