Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
|
1 Months Ended | |||
---|---|---|---|---|
Apr. 30, 2012
|
Sep. 30, 2013
|
Dec. 31, 2012
|
Mar. 21, 2012
|
|
Summary Of Significant Accounting Policies [Line Items] | ||||
Percentage of ownership | 100.00% | |||
Percentage of outstanding common stock acquired | 100.00% | |||
Ownership interest percentage | 20.00% | |||
Nonmarketable investments in TransUnion Corp | 20.00% | |||
9.625% Senior notes
|
||||
Summary Of Significant Accounting Policies [Line Items] | ||||
9.625% Notes | $ 600,000,000.0 | |||
Interest rate on the notes | 9.625% | 9.625% | 9.625% | 9.625% |
PIK rate percentage on notes | 10.375% | 10.375% | ||
Due date | Jun. 15, 2018 |
X | ||||||||||
- Definition
Maximum ownership percent consider under cost method investments. No definition available.
|
X | ||||||||||
- Definition
Minimum ownership interest for unconsolidated entities accounted for using the equity method. No definition available.
|
X | ||||||||||
- Definition
Percentage of share owned by shareholders. No definition available.
|
X | ||||||||||
- Definition
The Paid-in-Kind percentage rate applicable on the notes No definition available.
|
X | ||||||||||
- Details
|
X | ||||||||||
- Definition
Percentage of voting equity interests acquired at the acquisition date in the business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|