v3.25.4
Shareholders' equity - Treasury shares (Details)
€ / shares in Units, € in Thousands
1 Months Ended 5 Months Ended
May 20, 2021
EUR (€)
tranche
Dec. 31, 2025
EUR (€)
€ / shares
shares
Nov. 30, 2025
EUR (€)
€ / shares
shares
Oct. 31, 2025
EUR (€)
€ / shares
shares
Sep. 30, 2025
EUR (€)
€ / shares
shares
Aug. 31, 2025
EUR (€)
€ / shares
shares
Dec. 31, 2025
EUR (€)
€ / shares
shares
Aug. 11, 2025
EUR (€)
Shareholders' equity                
Number of shares repurchased | shares   5,607,549 4,164,232 788,260 1,479,790 2,084,733 14,124,564  
Average weighted stock price per repurchased share | € / shares   € 40.26 € 41.1 € 46.38 € 42.45 € 42.68 € 41.44  
Liability related to final true-up of share repurchases   € 1,165         € 1,165  
Number of treasury shares held | shares   14,124,564         14,124,564  
Share buy-back program                
Shareholders' equity                
Maximum purchase of treasury shares, as a percent to registered capital 10.00%              
Maximum purchase of treasury shares, as value € 29,289              
Share buy-back program value € 1,000,000              
Share buy-back program, number of tranches | tranche 2              
First tranche                
Shareholders' equity                
Number of shares repurchased | shares   5,607,549 4,164,232 788,260 1,479,790 2,084,733 14,124,564  
Share buy-back program value     € 240,485 € 411,651 € 448,210 € 511,021    
First tranche | Maximum                
Shareholders' equity                
Share buy-back program value               € 600,000