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Allowance for Doubtful Accounts (Tables)
12 Months Ended
Sep. 30, 2024
Receivables [Abstract]  
Schedule of Activity of Allowance for Doubtful Accounts
Activity in the allowance for doubtful accounts for the years ended September 30, 2024, 2023, and 2022 was as follows:
(in millions)202420232022
Balance, beginning of year$59.9 $47.8 $39.8 
(Recovery) Provision for bad debts(1)
(2.4)12.5 12.4 
Allowance charge-offs(6.2)(0.5)(5.6)
Other0.6 0.1 1.2 
Balance, end of year$51.9 $59.9 $47.8 
(1) An additional $3.0 million, $4.0 million, and $3.4 million is included in bad debt expense for the years ended September 30, 2024, 2023, and 2022, respectively, on the consolidated income statement, which is not included in the allowance.