Income Tax - Additional Information (Details) - EUR (€) € in Thousands |
1 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2021 |
Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2022 |
|
| Income Tax [Line items] | ||||
| Applicable tax rate | 25.00% | 25.00% | 22.80% | |
| Change in parent tax rate | 22.80% | |||
| Cumulative earnings | € 417,578 | € 225,976 | ||
| Revenue | 1,804,690 | 1,491,911 | € 1,242,833 | |
| Subsidiaries | ||||
| Income Tax [Line items] | ||||
| Cumulative earnings | € 597,500 | € 580,500 | ||
| OECD | ||||
| Income Tax [Line items] | ||||
| Global minimum tax for multinational enterprises | 15.00% | |||
| Revenue | € 750,000 | |||
| Jersey | ||||
| Income Tax [Line items] | ||||
| Applicable tax rate | 0.00% | 0.00% | ||