Intangible Assets (Details Textual) (USD $)
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12 Months Ended | 8 Months Ended | 12 Months Ended | 4 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 12 Months Ended | 1 Months Ended | ||||||||||||||||||||||||
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Dec. 31, 2013
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Dec. 31, 2012
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Apr. 30, 2012
|
Dec. 31, 2013
Maximum [Member]
|
Dec. 31, 2013
Minimum [Member]
|
Dec. 31, 2012
TransUnion Corp-Successor
Transunion Corp [Member]
|
Dec. 31, 2013
TransUnion Corp-Successor
Transunion Corp [Member]
|
Apr. 30, 2012
TransUnion Corp-Predecessor
Transunion Corp [Member]
|
Dec. 31, 2011
TransUnion Corp-Predecessor
Transunion Corp [Member]
|
Apr. 30, 2012
Database and credit files [Member]
|
Dec. 31, 2013
Database and credit files [Member]
|
Dec. 31, 2012
Database and credit files [Member]
|
Dec. 31, 2013
Database and credit files [Member]
Maximum [Member]
|
Dec. 31, 2013
Database and credit files [Member]
Minimum [Member]
|
Dec. 31, 2013
Internally developed software [Member]
|
Dec. 31, 2012
Internally developed software [Member]
|
Apr. 30, 2012
Internally developed software [Member]
TransUnion Corp-Successor
|
Apr. 30, 2012
Customer relationships [Member]
|
Dec. 31, 2013
Customer relationships [Member]
|
Dec. 31, 2012
Customer relationships [Member]
|
Dec. 31, 2013
Customer relationships [Member]
Maximum [Member]
|
Dec. 31, 2013
Customer relationships [Member]
Minimum [Member]
|
Apr. 30, 2012
Customer relationships [Member]
TransUnion Corp-Successor
|
Apr. 30, 2012
Trademarks, copyrights and patents [Member]
|
Dec. 31, 2013
Trademarks, copyrights and patents [Member]
|
Dec. 31, 2012
Trademarks, copyrights and patents [Member]
|
Apr. 30, 2012
Trademarks, copyrights and patents [Member]
TransUnion Corp-Successor
|
Dec. 31, 2013
Noncompete agreements [Member]
|
Dec. 31, 2012
Noncompete agreements [Member]
|
Apr. 30, 2012
Noncompete agreements [Member]
TransUnion Corp-Successor
|
Dec. 31, 2013
Internal Use Software [Member]
Maximum [Member]
|
Dec. 31, 2013
Internal Use Software [Member]
Minimum [Member]
|
Apr. 30, 2012
TransUnion Change in Control [Member]
Database and credit files [Member]
|
Apr. 30, 2012
TransUnion Change in Control [Member]
Internally developed software [Member]
|
Apr. 30, 2012
TransUnion Change in Control [Member]
Customer relationships [Member]
|
Apr. 30, 2012
TransUnion Change in Control [Member]
Trademarks, copyrights and patents [Member]
|
Apr. 30, 2012
TransUnion Change in Control [Member]
Noncompete agreements [Member]
|
|
Intangible Assets (Textual) [Abstract] | |||||||||||||||||||||||||||||||||||||
Purchase accounting fair value increase adjustments | $ (705,100,000) | $ (261,200,000) | $ (256,100,000) | $ (537,000,000) | $ 3,300,000 | ||||||||||||||||||||||||||||||||
Accumulated amortization | 227,500,000 | 86,600,000 | 0 | 86,600,000 | 227,500,000 | 84,300,000 | 33,900,000 | 94,700,000 | 34,800,000 | 0 | 25,800,000 | 10,300,000 | 0 | 22,200,000 | 7,400,000 | 0 | 500,000 | 200,000 | 0 | ||||||||||||||||||
Amortizable intangibles estimated Useful lives | 40 years | 3 years | 15 years | 15 years | 12 years | 20 years | 20 years | 10 years | 40 years | 40 years | 7 years | 3 years | |||||||||||||||||||||||||
Amortization expense for intangible assets | $ 88,300,000 | $ 142,800,000 | $ 16,800,000 | $ 46,000,000 |