Other operating income (loss) - Other operating income (Details) - EUR (€) € in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 30, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Other operating income | ||||
| Refunds related to tax for R&D activities | € 41,614 | € 46,863 | € 43,996 | |
| Insurance reimbursements related to cyber-attack | 7,500 | |||
| Dark Blue Therapeutics Ltd | ||||
| Other operating income | ||||
| Gain on sale of associate investments | € 12,125 | |||
| France | ||||
| Other operating income | ||||
| Refunds related to tax for R&D activities | 21,877 | 24,669 | 24,812 | |
| United Kingdom | ||||
| Other operating income | ||||
| Refunds related to tax for R&D activities | € 9,544 | € 10,656 | € 11,010 | |