Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
1 Months Ended | |||||
---|---|---|---|---|---|---|
Mar. 31, 2013
|
Apr. 30, 2012
9.625%/10.375% senior PIK toggle notes due 2018
|
Mar. 31, 2013
TransUnion Holding Company, Inc.
|
Apr. 30, 2012
TransUnion Holding Company, Inc.
|
Feb. 15, 2012
TransUnion Holding Company, Inc.
|
Apr. 30, 2012
TransUnion Holding Company, Inc.
9.625%/10.375% senior PIK toggle notes due 2018
|
|
Summary Of Significant Accounting Policies [Line Items] | ||||||
Outstanding Common Stock Acquired Percentage | 100.00% | |||||
9.625% Notes | $ 600.0 | $ 600.0 | ||||
Interest rate, due date | Jun. 15, 2018 | |||||
Senior notes, interest rate | 9.625% | 10.375% | ||||
Direct owned subsidiary | 100.00% | |||||
Ownership interest | 20.00% | |||||
Nonmarketable investments in TransUnion Corp | 20.00% |