Financial Instruments and Financial Risk Management - Schedule of Fair Values and Fair Value Hierarchy of Financial Instruments Carried at Fair Value on Recurring Basis (Details) - Recurring Fair Value Measurement - EUR (€) € in Thousands |
Mar. 31, 2024 |
Sep. 30, 2023 |
|---|---|---|
| Disclosure of detailed information about financial instruments [line items] | ||
| Derivative assets | € 34,480 | € 31,708 |
| Level 2 | FVtPL | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Derivative liabilities | 3,519 | 6,925 |
| Level 2 | FVtPL | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Derivative assets not designated as hedging instruments | 33,496 | 28,795 |
| Level 2 | FVtOCI | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Derivative assets designated as hedging instruments | € 984 | € 2,913 |