v2.4.0.6

Other Current Liabilities (Details Textual) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012
Other Current Liabilities (Textual) [Abstract] |
Increase in accrued payroll | $ 9.1
9.625 TransUnion Holding PIK Toggle notes [Member] |
Other Current Liabilities (Textual) [Abstract] |
Interest Rate | 9.625%
8.125 TransUnion Holding PIK Toggle notes [Member] |
Other Current Liabilities (Textual) [Abstract] |
Interest Rate | 8.125%

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- Definition Increase decrease in accrued payroll. + References No definition available. + Details
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Namespace Prefix: | tcu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
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Namespace Prefix: | tcu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The average effective interest rate during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration