Income Tax - Schedule of Major Components of Income Tax Expense (Details) - EUR (€) € in Thousands |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2023 |
|
| Disclosure of income tax [abstract] | |||
| Current income taxes | € (101,054) | € (78,366) | € (50,849) |
| Deferred income taxes | (20,599) | (23,814) | (27,781) |
| Income tax expense | € (121,653) | € (102,180) | € (78,630) |
| X | ||||||||||
- Definition Disclosure of income tax. No definition available.
|
| X | ||||||||||
- References Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition The amount of tax expense (income) relating to changes in deferred tax liabilities and deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|