Fair Value Disclosure (Details 3) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Assets
Loans	$ 119.9	$ 122.7
Carrying Amount [Member]
Assets
Investment Funds	1.5	1.7
Loans	119.9	122.7
Liabilities
Recourse fixed rate debt	3,413.8	2,871.2
Recourse floating rate debt	620.1	894.7
Nonrecourse debt	20.5	72.6
Fair Value [Member]
Assets
Investment Funds	3.0	4.0
Loans	117.9	121.5
Liabilities
Recourse fixed rate debt	3,573.2	2,994.0
Recourse floating rate debt	624.5	906.2
Nonrecourse debt	$ 21.6	$ 74.7