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Allowance for Doubtful Accounts (Tables)
9 Months Ended
Jun. 30, 2024
Receivables [Abstract]  
Schedule of Financing Receivable, Allowance for Doubtful Accounts
Activity in the allowance for doubtful accounts for the nine months ended June 30, 2024 was as follows:
(in millions)
Balance as of September 30, 2023$59.9 
Recovery of bad debts(1)
(3.0)
Allowance charge-offs(1.1)
Other0.4 
Balance as of June 30, 2024$56.2 
(1) An additional $2.8 million is included in bad debt expense for the nine months ended June 30, 2024 on the consolidated income statement, which is not included in the allowance at the period then ended.