XML 12 R39.htm IDEA: XBRL DOCUMENT v2.4.0.8
Investments (Pledged Investments) (Details) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Investments [Abstract]    
Cash and investments at fair value on deposit with, or in trust accounts for the benefit of various counterparties $ 2,115.6 $ 2,081.1
Cash and investments at fair value on deposit with, or in trust accounts for the benefit of U.S. state regulatory authorities $ 685.8 $ 652.8