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Allowance for Doubtful Accounts (Tables) | 6 Months Ended
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Mar. 31, 2022
Receivables [Abstract] |
Financing Receivable, Allowance for Credit Loss | Activity in the allowance for doubtful accounts for the six months ended March 31, 2022 was as follows:
(in millions) |
Balance as of September 30, 2021 | $ | 39.8 |
Provision for bad debts | 10.6 |
Allowance charge-offs | (0.4) |
Other(1) | 0.8 |
Balance as of March 31, 2022 | $ | 50.8 |
(1) Allowance increase is related to a recoverable amount due from an affiliated party.

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