Shareholders’ equity - Schedule of Other Reserves Including Other Comprehensive Income (Details) - EUR (€) € in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Disclosure of reserves within equity [line items] | ||
| Other reserves | € (184,503) | € (184,307) |
| Share-based payments reserve | ||
| Disclosure of reserves within equity [line items] | ||
| Other reserves | 72,708 | 73,331 |
| Non-controlling interests options reserve | ||
| Disclosure of reserves within equity [line items] | ||
| Other reserves | (114,247) | (114,247) |
| Other | ||
| Disclosure of reserves within equity [line items] | ||
| Other reserves | € (142,964) | € (143,391) |