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Allowance for Doubtful Accounts (Tables)

12 Months Ended

Sep. 30, 2025

Receivables [Abstract]

Schedule of Activity of Allowance for Doubtful Accounts

Activity in the allowance for doubtful accounts for the years ended September 30, 2025, 2024, and 2023 was as follows:

(in millions)			2025						2024						2023
Balance, beginning of year			$	51.9					$	59.9					$	47.8
Provision (recovery) for bad debts(1)			2.3						(2.4)						12.5
Allowance charge-offs			(0.3)						(6.2)						(0.5)
Other			—						0.6						0.1
Balance, end of year			$	53.9					$	51.9					$	59.9
(1) An additional $0.8 million, $3.0 million, and $4.0 million is included in bad debt expense for the years ended September 30, 2025, 2024, and 2023, respectively, on the consolidated income statement, which is not included in the allowance.

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- Definition

Tabular disclosure of allowance for credit loss on financing receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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- References

No definition available.

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