v2.4.0.6

Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2012
Goodwill [Abstract] |
Changes in the carrying amount of goodwill |
(in millions) |  | USIS |  |  | International |  |  | Interactive |  |  | Total |
TransUnion Corp. Predecessor balance, December 31, 2010 |  | $ | 119.5 |  |  | $ | 58.3 |  |  | $ | 45.9 |  |  | $ | 223.7 |
Acquisitions |  |  | 28.0 |  |  |  | 32.6 |  |  |  | — |  |  |  | 60.6 |
Foreign exchange rate adjustment |  |  | — |  |  |  | (9.1 | ) |  |  | — |  |  |  | (9.1 | )
TransUnion Corp. Predecessor balance, December 31, 2011 |  | $ | 147.5 |  |  | $ | 81.8 |  |  | $ | 45.9 |  |  | $ | 275.2 |
Acquisitions |  |  | — |  |  |  | 0.8 |  |  |  | — |  |  |  | 0.8 |
Tax deductible goodwill adjustment |  |  | — |  |  |  | (10.3 | ) |  |  | — |  |  |  | (10.3 | )
Foreign exchange rate adjustment |  |  | — |  |  |  | 1.8 |  |  |  | — |  |  |  | 1.8 |
TransUnion Corp. Predecessor balance, April 30, 2012 |  | $ | 147.5 |  |  | $ | 74.1 |  |  | $ | 45.9 |  |  | $ | 267.5 |
Purchase accounting adjustments related to acquisition of TransUnion Corp. |  |  | 987.8 |  |  |  | 455.3 |  |  |  | 90.9 |  |  |  | 1,534.0 |
Acquisitions |  |  | — |  |  |  | 9.9 |  |  |  | — |  |  |  | 9.9 |
Tax deductible goodwill adjustment |  |  | — |  |  |  | 6.7 |  |  |  | — |  |  |  | 6.7 |
Additional purchase price related to acquisition of Brazil subsidiary |  |  | — |  |  |  | 1.8 |  |  |  | — |  |  |  | 1.8 |
Goodwill related to disposed equity method investment |  |  | — |  |  |  | (0.2 | ) |  |  | — |  |  |  | (0.2 | )
Foreign exchange rate adjustment |  |  | — |  |  |  | (15.5 | ) |  |  | — |  |  |  | (15.5 | )
TransUnion Holding and TransUnion Corp. Successor balance, December 31, 2012 |  | $ | 1,135.3 |  |  | $ | 532.1 |  |  | $ | 136.8 |  |  | $ | 1,804.2 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 47 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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