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Debt - Additional Information (Detail) (USD $)
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0 Months Ended | 0 Months Ended | 3 Months Ended | ||||||||
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Mar. 31, 2014
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Dec. 31, 2013
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Mar. 31, 2014
9.625% Senior notes
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Nov. 01, 2012
8.125% Senior notes
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Mar. 31, 2014
8.125% Senior notes
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Apr. 30, 2012
11.375% Senior notes
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Mar. 31, 2014
11.375% Senior notes
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Mar. 31, 2014
Senior Loans [Member]
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Mar. 31, 2014
Senior Secured Revolving Line Of Credit [Member]
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Mar. 31, 2014
Swap
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Mar. 31, 2014
TransUnion Corp
11.375% Senior notes
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| Debt Instrument [Line Items] | |||||||||||
| Proceeds from Lines of Credit | $ 28,500,000 | ||||||||||
| Fixed rate of interest | 2.033% | ||||||||||
| Percentage variable rate of interest | 1.50% | ||||||||||
| Derivative, Description of Variable Rate Basis | P3M | ||||||||||
| Accumulated other comprehensive loss | (81,200,000) | (73,200,000) | 700,000 | ||||||||
| Debt Instrument, Face Amount | 600,000,000 | 400,000,000.0 | 645,000,000 | 1,120,500,000 | |||||||
| Maturity date | 6/15/2018 | 6/15/2018 | 6/15/2018 | 2/10/2019 | |||||||
| Fixed interest rate | 9.625% | 8.125% | 11.375% | ||||||||
| Assets Fair Value Adjustments | 124,200,000 | ||||||||||
| Offering Price | 99.50% | ||||||||||
| PIK rate percentage on notes | 10.375% | 8.875% | |||||||||
| Carrying value of long term debts | 600,000,000 | 398,400,000 | 736,400,000 | ||||||||
| Long term debt fair value | $ 638,300,000 | $ 419,500,000 | $ 695,000,000 | ||||||||