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 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Segment Reporting, Other Significant Reconciling Item [Line Items]        
Other income and expense, net from equity method investments $ 3.1 $ 4.2 $ 6.7 $ 7.3
U.S. Information Services
       
Segment Reporting, Other Significant Reconciling Item [Line Items]        
Other income and expense, net from equity method investments 0.4 0.4 0.7 0.8
International
       
Segment Reporting, Other Significant Reconciling Item [Line Items]        
Other income and expense, net from equity method investments 2.7 3.8 6.0 6.5
Interactive [Member]
       
Segment Reporting, Other Significant Reconciling Item [Line Items]        
Other income and expense, net from equity method investments $ 0 $ 0 $ 0 $ 0