Segment reporting - Additional Information (Details) - EUR (€) € in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Operating Segments [Abstract] | ||||
| Adjustments for share based payments including employer tax | € 0.4 | € 2.4 | € 5.3 | € 5.8 |
| Acquisition related costs | € 0.2 | € 0.3 | € 0.5 | € 0.6 |