Debt - Narrative (Details) $ in Millions	9 Months Ended
Jun. 30, 2025 USD ($)
Lease Guarantee
Debt Instrument [Line Items]
Maximum potential future payments under guarantees	$ 65.8
Lease Guarantee \| Minimum
Debt Instrument [Line Items]
Guarantor obligation term	6 months
Lease Guarantee \| Maximum
Debt Instrument [Line Items]
Guarantor obligation term	15 years
Debt Guarantee
Debt Instrument [Line Items]
Maximum potential future payments under guarantees	$ 12.1
Debt Guarantee \| Minimum
Debt Instrument [Line Items]
Guarantor obligation term	1 year
Debt Guarantee \| Maximum
Debt Instrument [Line Items]
Guarantor obligation term	5 years

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details