v3.26.1
Issued share capital, share premium account and share options - Share price (Details)
shares in Millions, Options in Millions
12 Months Ended
Mar. 31, 2026
Options
€ / shares
shares
Mar. 31, 2025
Options
€ / shares
shares
Mar. 31, 2024
Options
€ / shares
shares
Disclosure of classes of share capital [line items]      
Closing share price € 23.87 € 18.63 € 21.06
Number of options exercisable | Options 0.0 0.2 0.2
Number of options exercised | Options 0.3 0.4 1.4
Increase in number of shares through exercise of share options and shares granted in share-based payment arrangements | shares 0.5 1.0 1.4
Minimum      
Disclosure of classes of share capital [line items]      
Share price during period € 16.8 € 13.41 € 13.96
Maximum      
Disclosure of classes of share capital [line items]      
Share price during period 30.15 21.8 21.49
Average      
Disclosure of classes of share capital [line items]      
Share price during period € 25.3 € 18.14 € 17.09