Goodwill - Summary of Goodwill Balance Allocation into Applicable Groups of CGUs (Details) - EUR (€) € in Thousands |
Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2022 |
|---|---|---|---|
| Disclosure of reconciliation of changes in goodwill [line items] | |||
| Goodwill | € 1,554,621 | € 1,593,917 | € 1,674,293 |
| CGUs | |||
| Disclosure of reconciliation of changes in goodwill [line items] | |||
| Goodwill | 1,554,621 | 1,593,917 | |
| CGUs | Americas | |||
| Disclosure of reconciliation of changes in goodwill [line items] | |||
| Goodwill | 579,864 | 612,814 | |
| CGUs | Europe | |||
| Disclosure of reconciliation of changes in goodwill [line items] | |||
| Goodwill | 743,157 | 742,915 | |
| CGUs | ASPA | |||
| Disclosure of reconciliation of changes in goodwill [line items] | |||
| Goodwill | 165,235 | 167,453 | |
| CGUs | MEAI | |||
| Disclosure of reconciliation of changes in goodwill [line items] | |||
| Goodwill | € 66,365 | € 70,735 |