Fair Value Disclosure (Details 3) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Assets
Loans	$ 6.7	$ 8.8
Carrying Amount [Member]
Assets
Investment Funds	0.6	0.6
Loans	6.7	8.8
Liabilities
Recourse fixed rate debt	3,868.2	3,915.0
Recourse floating rate debt	360.0	275.2
Nonrecourse debt	0.0	6.9
Fair Value [Member]
Assets
Investment Funds	1.3	1.2
Loans	6.7	8.7
Liabilities
Recourse fixed rate debt	3,996.4	3,882.6
Recourse floating rate debt	352.0	264.6
Nonrecourse debt	$ 0.0	$ 7.1