Segment Analysis (Tables)

6 Months Ended

Mar. 31, 2023

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 March 31,				Six Months Ended March 31,
(in millions)	2023		2022		2023		2022
Total revenues:
Commercial	$	15,450.7	$	15,792.5	$	27,744.2	$	29,616.1
Institutional	362.5		202.8		706.0		364.1
Retail	304.6		349.6		620.8		665.9
Global Payments	49.8		41.0		105.2		83.4
Corporate Unallocated	2.5		1.9		15.3		4.0
Eliminations	(9.1)		(5.1)		(18.9)		(9.4)
Total	$	16,161.0	$	16,382.7	$	29,172.6	$	30,724.1
Operating revenues:
Commercial	$	220.1	$	184.1	$	402.5	$	336.7
Institutional	362.5		202.8		706.0		364.1
Retail	78.6		120.0		149.1		216.4
Global Payments	49.8		41.0		105.2		83.4
Corporate Unallocated	2.5		1.9		15.3		4.0
Eliminations	(9.1)		(5.1)		(18.9)		(9.4)
Total	$	704.4	$	544.7	$	1,359.2	$	995.2
Net operating revenues (loss):
Commercial	$	185.1	$	155.8	$	337.8	$	285.5
Institutional	137.9		132.8		281.1		225.7
Retail	50.8		86.8		94.7		151.6
Global Payments	47.4		38.9		100.7		79.2
Corporate Unallocated	(21.8)		(14.0)		(32.9)		(27.9)
Total	$	399.4	$	400.3	$	781.4	$	714.1
Net contribution:
(Revenues less cost of sales of physical commodities, transaction-based clearing expenses, variable compensation, introducing broker commissions and interest expense)
Commercial	$	140.9	$	109.6	$	256.6	$	200.3
Institutional	89.3		82.3		183.9		139.7
Retail	48.4		80.7		87.6		140.7
Global Payments	38.1		32.1		80.2		64.0
Total	$	316.7	$	304.7	$	608.3	$	544.7
Segment income (loss):
(Net contribution less non-variable direct segment costs)
Commercial	$	102.9	$	70.1	$	185.7	$	135.6
Institutional	55.8		50.0		117.8		81.9
Retail	4.8		45.5		0.6		68.9
Global Payments	15.9		23.9		48.2		48.4
Total	$	179.4	$	189.5	$	352.3	$	334.8
Reconciliation of segment income to income before tax:
Segment income	$	179.4	$	189.5	$	352.3	$	334.8
Net costs not allocated to operating segments	(121.9)		(102.1)		(222.7)		(194.9)
Gain on acquisition	—		—		23.5		—
Income before tax	$	57.5	$	87.4	$	153.1	$	139.9
(in millions)	As of March 31, 2023		As of September 30, 2022
Total assets:
Commercial	$	4,803.8	$	5,931.0
Institutional	14,769.5		11,687.1
Retail	1,128.6		971.2
Global Payments	483.6		524.0
Corporate Unallocated	733.4		746.3
Total	$	21,918.9	$	19,859.6