v2.4.0.8
Other Assets (Detail) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Mar. 31, 2014
Equity Method Significant Subsidiary - CIBIL [Member]
Dec. 31, 2013
Equity Method Significant Subsidiary - CIBIL [Member]
May 21, 2014
CIBIL [Member]
Other Assets [Line Items]          
Business Acquisition, Percentage of Voting Interests Acquired         7.50%
Equity Method Investment, Ownership Percentage     47.50% 27.50%  
Other assets          
Total investments in affiliated companies $ 57.1 $ 92.4      
Deferred financing fees 30.0 29.7      
Deposits 6.9 15.8      
Other 15.7 0.7      
Total other assets $ 109.7 $ 138.6      
Noncontrolling Interest, Ownership Percentage by Parent         55.00%