Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2023	Sep. 30, 2022
ASSETS
Cash and cash equivalents	$ 1,108.3	$ 1,108.5
Cash, securities and other assets segregated under federal and other regulations (including $5.8 million and $805.7 million at fair value at September 30, 2023 and 2022, respectively)	2,426.3	3,267.2
Collateralized transactions:
Securities purchased under agreements to resell	2,979.5	1,672.0
Securities borrowed	1,129.1	1,209.8
Deposits with and receivables from broker-dealers, clearing organizations and counterparties, net (including $4,248.3 million and $2,817.2 million at fair value at September 30, 2023 and 2022, respectively)	7,443.8	6,842.6
Receivable from clients, net (including $(7.9) million and $(0.5) million at fair value at September 30, 2023 and 2022, respectively)	683.1	566.2
Notes receivable, net	5.2	5.1
Income taxes receivable	25.1	16.8
Financial instruments owned, at fair value (includes securities pledged as collateral that can be sold or repledged of $1,466.4 million and $2,372.3 million at September 30, 2023 and 2022, respectively)	5,044.8	4,167.3
Physical commodities inventory, net (including $386.5 million and $359.8 million at fair value at September 30, 2023 and 2022, respectively)	537.3	513.5
Deferred tax assets	45.4	52.0
Property and equipment, net	123.5	112.9
Operating right of use assets	122.1	121.8
Goodwill and intangible assets, net	82.4	86.2
Other assets	182.8	117.7
Total assets	21,938.7	19,859.6
Liabilities:
Accounts payable and other accrued liabilities (including $1.5 million and $0.0 million at fair value at September 30, 2023 and 2022, respectively)	533.0	400.6
Operating lease liabilities	149.3	143.0
Payables to:
Clients (including $79.8 million and $(1,392.4) million at fair value at September 30, 2023 and 2022, respectively)	9,976.0	9,891.0
Broker-dealers, clearing organizations and counterparties (including $10.2 million and $55.8 million at fair value at September 30, 2023 and 2022, respectively)	442.4	659.8
Lenders under loans	341.0	485.1
Senior secured borrowings, net	342.1	339.1
Income taxes payable	38.2	16.2
Deferred tax liabilities	8.1	0.0
Collateralized transactions:
Securities sold under agreements to repurchase	4,526.6	3,195.6
Securities loaned	1,117.3	1,189.5
Financial instruments sold, not yet purchased, at fair value	3,085.6	2,469.6
Total liabilities	20,559.6	18,789.5
Commitments and contingencies (Note 13)
Stockholders' equity:
Preferred stock, $0.01 par value. Authorized 1,000,000 shares; no shares issued or outstanding	0.0	0.0
Common stock, $0.01 par value. Authorized 200,000,000 shares; 23,403,960 issued and 20,796,637 outstanding at September 30, 2023 and 22,911,227 issued and 20,303,904 outstanding at September 30, 2022	0.2	0.2
Common stock in treasury, at cost - 2,607,323 shares at September 30, 2023 and 2022	(69.3)	(69.3)
Additional paid-in-capital	371.9	340.2
Retained earnings	1,128.1	889.6
Accumulated other comprehensive loss, net	(51.8)	(90.6)
Total equity	1,379.1	1,070.1
Total liabilities and stockholders' equity	$ 21,938.7	$ 19,859.6