v2.4.0.6

Other Current Liabilities (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	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%

X

- Definition

Increase decrease in accrued payroll.

+ References

No definition available.

+ Details

Name:	tcu_IncreaseDecreaseInAccruedPayroll
Namespace Prefix:	tcu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	tcu_OtherCurrentLiabilitiesTextualAbstract
Namespace Prefix:	tcu_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- 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

Name:	us-gaap_DebtInstrumentInterestRateDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration