Derivatives - Schedule of Designated in Qualifying Hedging Relationship (Details) - Designated as Hedging Instrument - Long-Term Debt - USD ($) $ in Thousands	Jun. 30, 2025	Sep. 30, 2024
2028 Notes
Open Forward Foreign Currency Contract [Line Items]
Carrying Value	$ 456,834	$ 460,642
Cumulative Hedging Adjustment	10,145	14,675
2029 Notes
Open Forward Foreign Currency Contract [Line Items]
Carrying Value	755,252	606,271
Cumulative Hedging Adjustment	$ 9,657	$ 12,213

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