XML 79 R59.htm IDEA: XBRL DOCUMENT v2.4.0.8
Variable Interest Entities (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Sponsored investment funds [Member]
   
Variable Interest Entities    
Unconsolidated VIE Net Assets $ 8,112.7 $ 7,186.9
Carrying Value and Maximum Exposure to Loss 1.7 0.8
Trust preferred vehicles [Member]
   
Variable Interest Entities    
Unconsolidated VIE Net Assets 9.0 9.0
Carrying Value and Maximum Exposure to Loss $ 9.0 $ 9.0