Identifiable Intangible Assets (Detail) (USD $)
In Millions, unless otherwise specified |
1 Months Ended |
---|---|
Apr. 30, 2012
|
|
Identifiable Intangibles [Line Items] | |
Total identifiable intangible assets | $ 1,986.4 |
Database and credit files
|
|
Identifiable Intangibles [Line Items] | |
Total identifiable intangible assets | 765.0 |
Estimated useful life | 15 years |
Technology and software
|
|
Identifiable Intangibles [Line Items] | |
Total identifiable intangible assets | 364.6 |
Estimated useful life | 7 years |
Trade names and trademarks
|
|
Identifiable Intangibles [Line Items] | |
Total identifiable intangible assets | 546.1 |
Estimated useful life | 40 years |
Customer relationships
|
|
Identifiable Intangibles [Line Items] | |
Total identifiable intangible assets | 308.0 |
Estimated useful life | 20 years |
Other
|
|
Identifiable Intangibles [Line Items] | |
Total identifiable intangible assets | $ 2.7 |
Estimated useful life | 5 years |