v2.4.0.6
Operating Segments (Details 6)
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
United States [Member]
TransUnion Corp-Successor [Member]
Apr. 30, 2012
United States [Member]
TransUnion Corp-Predecessor [Member]
Dec. 31, 2011
United States [Member]
TransUnion Corp-Predecessor [Member]
Dec. 31, 2010
United States [Member]
TransUnion Corp-Predecessor [Member]
Dec. 31, 2012
South Africa [Member]
TransUnion Corp-Successor [Member]
Apr. 30, 2012
South Africa [Member]
TransUnion Corp-Predecessor [Member]
Dec. 31, 2011
South Africa [Member]
TransUnion Corp-Predecessor [Member]
Dec. 31, 2010
South Africa [Member]
TransUnion Corp-Predecessor [Member]
Dec. 31, 2012
Canada [Member]
TransUnion Corp-Successor [Member]
Apr. 30, 2012
Canada [Member]
TransUnion Corp-Predecessor [Member]
Dec. 31, 2011
Canada [Member]
TransUnion Corp-Predecessor [Member]
Dec. 31, 2010
Canada [Member]
TransUnion Corp-Predecessor [Member]
Dec. 31, 2012
Other Country [Member]
TransUnion Corp-Successor [Member]
Apr. 30, 2012
Other Country [Member]
TransUnion Corp-Predecessor [Member]
Dec. 31, 2011
Other Country [Member]
TransUnion Corp-Predecessor [Member]
Dec. 31, 2010
Other Country [Member]
TransUnion Corp-Predecessor [Member]
Revenue based on the country                                
Revenue earned 79.00% 79.00% 79.00% 80.00% 7.00% 8.00% 9.00% 9.00% 5.00% 6.00% 6.00% 6.00% 9.00% 7.00% 6.00% 5.00%