v3.24.4
Goodwill - Summary of Goodwill (Details) - EUR (€)
€ in Thousands
12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Disclosure of reconciliation of changes in goodwill [line items]    
Goodwill at beginning of period € 1,593,917 € 1,674,293
Impact of foreign currency translation (39,296) (80,376)
Goodwill at end of period € 1,554,621 € 1,593,917