v2.4.0.6

Purchased Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2012
Purchased Intangible Assets [Abstract] |
Intangible assets |
|  | TransUnion Holding and TransUnion Corp. Successor December 31, 2012 |  |  |  |  | TransUnion Corp. Predecessor December 31, 2011 |
(in millions) |  | Gross |  |  | Accumulated Amortization |  |  | Net |  |  |  |  | Gross |  |  | Accumulated Amortization |  |  | Net |
Database and credit files |  | $ | 763.6 |  |  | $ | (33.9 | ) |  | $ | 729.7 |  |  |  |  | $ | 272.4 |  |  | $ | (205.3 | ) |  | $ | 67.1 |
Internally developed software |  |  | 380.3 |  |  |  | (34.8 | ) |  |  | 345.5 |  |  |  |  |  | 241.8 |  |  |  | (148.4 | ) |  |  | 93.4 |
Customer relationships |  |  | 306.7 |  |  |  | (10.3 | ) |  |  | 296.4 |  |  |  |  |  | 60.0 |  |  |  | (13.8 | ) |  |  | 46.2 |
Trademarks, copyrights and patents |  |  | 545.5 |  |  |  | (7.4 | ) |  |  | 538.1 |  |  |  |  |  | 24.4 |  |  |  | (6.5 | ) |  |  | 17.9 |
Noncompete and other agreements |  |  | 2.1 |  |  |  | (0.2 | ) |  |  | 1.9 |  |  |  |  |  | 6.8 |  |  |  | (0.6 | ) |  |  | 6.2 |
Total intangible assets |  | $ | 1,998.2 |  |  | $ | (86.6 | ) |  | $ | 1,911.6 |  |  |  |  | $ | 605.4 |  |  | $ | (374.6 | ) |  | $ | 230.8 |
Estimated future amortization expense related to purchased intangible |
(in millions) |  | Annual Amortization Expense |
2013 |  | $ | 135.1 |
2014 |  |  | 136.4 |
2015 |  |  | 135.2 |
2016 |  |  | 134.6 |
2017 |  |  | 132.9 |
Thereafter |  |  | 1,237.4 |
Total future amortization expense |  | $ | 1,911.6 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 + Details
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