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v3.23.3

Commitments and Contingencies (Details) $ / shares in Units, $ in Millions |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2023 USD ($) $ / shares shares | Nov. 30, 2018 account | Sep. 30, 2023 USD ($) $ / shares shares | Sep. 30, 2022 USD ($) shares | Jul. 30, 2020 shares
Loss Contingencies [Line Items] |  |  |  |  |
Loss contingency, range of possible loss, portion not accrued | $ 17.2 |  | $ 17.2 |  |
Maximum amount of individual accounts receivable account | 1.4 |  | 1.4 |  |
Accrual | $ 5.1 |  | $ 5.1 |  |
Common stock outstanding (in shares) | shares | 20,796,637 |  | 20,796,637 | 20,303,904 |
Purchase obligation, due in next twelve months | $ 5,901.5 |  | $ 5,901.5 |  |
Purchase obligation, due in second and third year | 593.0 |  | 593.0 |  |
Purchase obligation, due in fourth and fifth year | 53.1 |  | 53.1 |  |
Purchase obligation, due after fifth year | 90.3 |  | 90.3 |  |
Purchase obligation, due in next twelve months | 5,689.0 |  | $ 5,689.0 |  |
Percentage of stop loss actual estimated claims |  |  | 120.00% |  |
Self insurance reserve and dental claims | 1.9 |  | $ 1.9 | $ 1.3 |
Gain Capital Holdings Inc |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Purchase of shareholders equity interest | $ 20.1 |  |  |  |
Business acquisition, share price (in dollars per share) | $ / shares | $ 6.00 |  | $ 6.00 |  |
StoneX Financial |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of accounts | account |  | 300 |  |  |
Gain Capital Holdings Inc |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Common stock outstanding (in shares) | shares | 3,400,000 |  | 3,400,000 |  | 3,600,000

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