v3.26.1
Intangible assets (Details) - EUR (€)
€ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Intangible assets      
Balance at beginning of year € 146.4 € 146.4  
Balance at end of year 146.4 146.4 € 146.4
Landing rights      
Intangible assets      
Balance at beginning of year 146.4 146.4 146.4
Acquisition through business combination (note 4) 0.0 0.0 0.0
Balance at end of year 146.4 146.4 146.4
Impairment of intangible assets € 0.0 € 0.0 € 0.0
Discounted cash-flow projections period 20 years    
Estimated discount rate applicable 12.00% 9.00% 11.00%