Allowance for Doubtful Accounts |
6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||
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Mar. 31, 2025 | |||||||||||||||||||||||||||||||||||||||||||||||||
| Receivables [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Allowance for Doubtful Accounts | Allowance for Doubtful Accounts The allowance for doubtful accounts related to deposits with and receivables from broker-dealers, clearing organizations, and counterparties was $0.1 million as of March 31, 2025 and $0.0 million as of September 30, 2024. The allowance for doubtful accounts related to receivables from clients was $49.1 million and $51.9 million as of March 31, 2025 and September 30, 2024, respectively. Activity in the allowance for doubtful accounts for the six months ended March 31, 2025 was as follows:
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