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Segment Analysis (Tables) | 3 Months Ended
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Dec. 31, 2024
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) | 2024 |  | 2023
Total revenues: |  |  |
Commercial | $ | 27,209.0 |  |  | $ | 18,978.0 |
Institutional | 539.6 |  |  | 435.7 |
Self-Directed/Retail | 138.4 |  |  | 101.7 |
Payments | 58.1 |  |  | 60.6 |
Corporate | 11.1 |  |  | 9.2 |
Eliminations | (20.9) |  |  | (12.2) |
Total | $ | 27,935.3 |  |  | $ | 19,573.0 |
Operating revenues: |  |  |
Commercial | $ | 232.3 |  |  | $ | 198.4 |
Institutional | 539.6 |  |  | 435.7 |
Self-Directed/Retail | 124.1 |  |  | 92.5 |
Payments | 58.1 |  |  | 60.6 |
Corporate | 11.1 |  |  | 9.2 |
Eliminations | (20.9) |  |  | (12.2) |
Total | $ | 944.3 |  |  | $ | 784.2 |
Net operating revenues (loss): |  |  |
Commercial | $ | 189.2 |  |  | $ | 163.4 |
Institutional | 174.0 |  |  | 148.6 |
Self-Directed/Retail | 94.6 |  |  | 67.0 |
Payments | 55.4 |  |  | 58.2 |
Corporate | (21.1) |  |  | (15.6) |
Total | $ | 492.1 |  |  | $ | 421.6 |
Net contribution: |  |  |
(Revenues less cost of sales of physical commodities, transaction-based clearing expenses, variable compensation, introducing broker commissions and interest expense)
Commercial | $ | 145.7 |  |  | $ | 126.4 |
Institutional | 117.8 |  |  | 100.2 |
Self-Directed/Retail | 91.6 |  |  | 62.6 |
Payments | 46.3 |  |  | 47.6 |
Total | $ | 401.4 |  |  | $ | 336.8 |
Segment income: |  |  |
(Net contribution less non-variable direct segment costs) |  |
Commercial | $ | 102.2 |  |  | $ | 87.2 |
Institutional | 78.1 |  |  | 65.2 |
Self-Directed/Retail | 56.9 |  |  | 28.7 |
Payments | 34.1 |  |  | 35.0 |
Total | $ | 271.3 |  |  | $ | 216.1 |
Reconciliation of segment income to income before tax:
Segment income | $ | 271.3 |  |  | $ | 216.1 |
Net operating loss within Corporate | (21.1) |  |  | (15.6) |
Overhead costs and expenses | (133.3) |  |  | (104.8) |
Income before tax | $ | 116.9 |  |  | $ | 95.7 |
(in millions) | As of December 31, 2024 |  | As of September 30, 2024
Total assets: |  |  |
Commercial | $ | 5,690.7 |  |  | $ | 5,387.0 |
Institutional | 21,571.4 |  |  | 19,492.9 |
Self-Directed/Retail | 930.8 |  |  | 1,024.1 |
Payments | 418.3 |  |  | 438.8 |
Corporate | 974.1 |  |  | 1,123.5 |
Total | $ | 29,585.3 |  |  | $ | 27,466.3 |

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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