Fair Value Disclosure (Details 3) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Assets
Loans	$ 7.2	$ 8.8
Carrying Amount [Member]
Assets
Investment Funds	0.6	0.6
Loans	7.2	8.8
Liabilities
Recourse fixed rate debt	3,721.9	3,915.0
Recourse floating rate debt	600.3	275.2
Nonrecourse debt	2.3	6.9
Fair Value [Member]
Assets
Investment Funds	1.5	1.2
Loans	7.2	8.7
Liabilities
Recourse fixed rate debt	3,944.6	3,882.6
Recourse floating rate debt	581.4	264.6
Nonrecourse debt	$ 2.3	$ 7.1