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Other equity reserves (Details) - EUR (€)
€ in Millions
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Other equity reserves      
Total share based payments reserve € 31.0 € 31.0 € 32.0
Treasury reserve 0.0 0.0 0.0
Total cash flow hedge reserve € 1,295.0 € 211.0 € (111.0)