Segment Analysis (Tables)

3 Months Ended

Dec. 31, 2022

Segment Reporting [Abstract]

Schedule of Segment Reporting Information

Information for the reportable segments is shown in accordance with the Segment Reporting Topic of the ASC as follows:

	Three Months Ended December 31,
(in millions)	2022		2021
Total revenues:
Commercial	$	12,293.5	$	13,823.6
Institutional	343.5		161.3
Retail	316.2		316.3
Global Payments	55.4		42.4
Corporate Unallocated	12.8		2.1
Eliminations	(9.8)		(4.3)
Total	$	13,011.6	$	14,341.4
Operating revenues:
Commercial	$	182.4	$	152.6
Institutional	343.5		161.3
Retail	70.5		96.4
Global Payments	55.4		42.4
Corporate Unallocated	12.8		2.1
Eliminations	(9.8)		(4.3)
Total	$	654.8	$	450.5
Net operating revenues (loss):
Commercial	$	152.7	$	129.7
Institutional	143.2		92.9
Retail	43.9		64.8
Global Payments	53.3		40.3
Corporate Unallocated	(11.1)		(13.9)
Total	$	382.0	$	313.8
Net contribution:
(Revenues less cost of sales of physical commodities, transaction-based clearing expenses, variable compensation, introducing broker commissions and interest expense)
Commercial	$	115.7	$	90.7
Institutional	94.6		57.4
Retail	39.2		60.0
Global Payments	42.1		31.9
Total	$	291.6	$	240.0
Segment income/(loss):
(Net contribution less non-variable direct segment costs)
Commercial	$	82.8	$	65.5
Institutional	62.0		31.9
Retail	(4.2)		23.4
Global Payments	32.3		24.5
Total	$	172.9	$	145.3
Reconciliation of segment income to income before tax:
Segment income	$	172.9	$	145.3
Net costs not allocated to operating segments	(100.8)		(92.8)
Gain on acquisition	23.5		—
Income before tax	$	95.6	$	52.5
(in millions)	As of December 31, 2022		As of September 30, 2022
Total assets:
Commercial	$	5,225.8	$	5,931.0
Institutional	12,482.4		11,687.1
Retail	953.5		971.2
Global Payments	420.4		524.0
Corporate Unallocated	750.3		746.3
Total	$	19,832.4	$	19,859.6