Commodity and Other Repurchase Agreements Gross Obligations Collateral Types (Tables)

12 Months Ended

Sep. 30, 2019

Financial Instruments Owned and Pledged as Collateral [Line Items]

Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block]

Securities sold under agreements to repurchase	September 30, 2019		September 30, 2018
U.S. Treasury obligations	$	108.8	$	39.6
U.S. government agency obligations	359.5		461.7
Asset-backed obligations	96.7		50.0
Agency mortgage-backed obligations	2,208.7		1,385.4
Total securities sold under agreement to repurchase	$	2,773.7	$	1,936.7
Securities loaned
Equity securities	1,459.9		277.9
Total securities loaned	1,459.9		277.9
Gross amount of secured financing	$	4,233.6	$	2,214.6