v2.4.0.6

Valuation and Qualifying Accounts | 12 Months Ended
--- | ---
Dec. 31, 2012
Valuation and Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts | Valuation and Qualifying Accounts Schedule II—Valuation and Qualifying Accounts TRANSUNION HOLDING COMPANY, INC.
(in millions) |  | Balance at Acquisition Date |  |  | Charged to Costs and Expenses |  |  | Charged to Other Accounts |  |  | Deductions( 1) |  |  | Balance at End of Year |
Allowance for doubtful accounts: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year ended December 31, |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 |  | $ | — |  |  | $ | (1.9 | ) |  | $ | 3.7 |  |  | $ | (0.1 | ) |  | $ | 1.7 |
Allowance for deferred tax assets (2): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year ended December 31, |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 |  | $ | — |  |  | $ | 5.0 |  |  | $ | 24.8 |  |  | $ | (2.6 | ) |  | $ | 27.2 |
( 1 ) | For the allowance for doubtful accounts, includes write-offs of uncollectable accounts.
Schedule II—Valuation and Qualifying Accounts TRANSUNION CORP.
(in millions) |  | Balance at Beginning of Year |  |  | Charged to Costs and Expenses |  |  | Charged to Other Accounts |  |  | Deductions(1) |  |  | Balance at End of Year |
Allowance for doubtful accounts (2): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year ended December 31, |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 |  | $ | 1.2 |  |  | $ | 1.3 |  |  | $ | — |  |  | $ | (0.8 | ) |  | $ | 1.7 |
2011 |  |  | 1.7 |  |  |  | 1.9 |  |  |  | (0.3 | ) |  |  | (2.1 | ) |  |  | 1.2 |
2010 |  |  | 2.5 |  |  |  | 1.5 |  |  |  | — |  |  |  | (2.3 | ) |  |  | 1.7 |
Allowance for deferred tax assets (2): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year ended December 31, |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 |  | $ | 16.9 |  |  | $ | 15.6 |  |  | $ | 7.4 |  |  | $ | (12.7 | ) |  | $ | 27.2 |
2011 |  |  | 12.8 |  |  |  | 4.6 |  |  |  | 0.2 |  |  |  | (0.7 | ) |  |  | 16.9 |
2010 |  |  | 3.0 |  |  |  | 9.9 |  |  |  | — |  |  |  | (0.1 | ) |  |  | 3.0 |
(1) | For the allowance for doubtful accounts, includes write-offs of uncollectable accounts.
(2) | Excludes discontinued operations.

X
- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
Name: | us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ValuationAndQualifyingAccountsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration