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Other assets (Details) - EUR (€)
€ in Millions
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2021
Other assets      
Prepayments and other assets € 1,037.2 € 473.2 € 228.5
Interest receivable 10.3    
Total other assets 1,047.5 473.2 228.5
Long term prepayments 169.0 72.0 49.0
Current prepayments for EU ETS carbon credits € 514.0 € 128.0 € 98.0