Debt - Effective Interest Rate of Notes (Details)	Sep. 30, 2024	Sep. 30, 2023
Convertible Notes due 2025
Debt Instrument [Line Items]
Effective interest rate	1.30%	1.30%
Convertible Notes due 2027
Debt Instrument [Line Items]
Effective interest rate	3.20%	3.20%

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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