Condensed Consolidated Income Statements - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Revenues:
Revenues	$ 13,011.6	$ 14,341.4
Cost of sales of physical commodities	12,356.8	13,890.9
Operating revenues	654.8	450.5
Transaction-based clearing expenses	67.3	70.9
Introducing broker commissions	36.8	38.3
Interest expense	154.3	15.7
Interest expense on corporate funding	14.4	11.8
Net operating revenues	382.0	313.8
Compensation and other expenses:
Compensation and benefits	199.0	175.0
Trading systems and market information	17.7	16.1
Professional fees	15.9	11.9
Non-trading technology and support	14.8	13.0
Occupancy and equipment rental	8.9	8.7
Selling and marketing	12.9	11.0
Travel and business development	5.7	2.9
Communications	2.2	1.9
Depreciation and amortization	12.7	9.1
Bad debts (recoveries), net	0.7	(0.2)
Other	19.4	11.9
Total compensation and other expenses	309.9	261.3
Gain on acquisition	23.5	0.0
Income before tax	95.6	52.5
Income tax expense	19.0	10.8
Net income	$ 76.6	$ 41.7
Earnings per share:
Basic (in dollar per shares)	$ 3.75	$ 2.09
Diluted (in dollar per shares)	$ 3.62	$ 2.04
Weighted-average number of common shares outstanding:
Basic (in shares)	19,771,816	19,383,303
Diluted (in shares)	20,499,852	19,858,712
Sales of physical commodities
Revenues:
Revenues	$ 12,403.4	$ 13,918.9
Principal gains, net
Revenues:
Revenues	254.2	251.1
Commission and clearing fees
Revenues:
Revenues	118.0	116.3
Consulting, management, and account fees
Revenues:
Revenues	39.8	24.1
Interest income
Revenues:
Revenues	$ 196.2	$ 31.0