v2.4.0.8
Earning from Equity Method Investments Included in Other Income and Expense Net (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Other income and expense, net from equity method investments $ 3.6 $ 3.2
U.S. Information Services
   
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Other income and expense, net from equity method investments 0.3 0.5
International
   
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Other income and expense, net from equity method investments 3.3 2.7
Interactive [Member]
   
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Other income and expense, net from equity method investments $ 0 $ 0