Derivative Financial Instruments - Schedule of Notional Amounts of Outstanding Forward Contracts (Details) - Forward Contracts - Designated as Hedging Instrument - Net Investment Hedging - USD ($) $ in Thousands |
Jun. 30, 2025 |
Sep. 30, 2024 |
|---|---|---|
| Derivative [Line Items] | ||
| Notional amount | $ 482,352 | $ 473,633 |
| Euro / U.S. Dollar | ||
| Derivative [Line Items] | ||
| Notional amount | 471,940 | 462,894 |
| Japanese Yen / U.S. Dollar | ||
| Derivative [Line Items] | ||
| Notional amount | $ 10,412 | $ 10,739 |