Statutory and other information - Shares and share options (Details) € in Millions, Options in Millions	12 Months Ended
Mar. 31, 2024 EUR (€) Options	Mar. 31, 2023 EUR (€) Options	Mar. 31, 2022 EUR (€) Options	Mar. 31, 2021 Options
Disclosure of transactions between related parties [line items]
Number of outstanding share options	16.6	18.7	22.8	30.0
Number of options exercised	1.4	4.1	6.5
Directors
Disclosure of transactions between related parties [line items]
Share based compensation \| €	€ 3.1	€ 1.9	€ 1.9

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

No definition available.

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The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The number of share options outstanding in a share-based payment arrangement.

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The number of share options exercised in a share-based payment arrangement.

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