v3.25.3
Earnings Per Share - Schedule of Calculation of Earnings Per Share (Details) - EUR (€)
€ / shares in Units, € in Thousands
12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2023
Earnings per share [abstract]      
Weighted number of outstanding shares 186,507,512 187,599,357 182,721,369
Weighted number of outstanding shares (diluted and undiluted) 186,507,512 187,599,357 182,721,369
Profit attributable to ordinary shareholders € 348,327 € 191,602 € 75,022
Basic € 1.87 € 1.02 € 0.41
Diluted € 1.87 € 1.02 € 0.41