Allowance for Doubtful Accounts |
9 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2026 | |||||||||||||||||||||||||||||||||||||||||||||||||
| Receivables [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Allowance for Doubtful Accounts | Allowance for Doubtful Accounts The allowance for doubtful accounts related to Receivables from clients was $60.8 million and $53.9 million as of June 30, 2026 and September 30, 2025, respectively. The Company had no allowance for doubtful accounts related to Deposits with and receivables from broker-dealers, clearing organizations, and counterparties as of June 30, 2026 and September 30, 2025. Activity in the allowance for doubtful accounts for the nine months ended June 30, 2026 was as follows:
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