Other income (loss), net - Additional information (Details) - EUR (€) € in Thousands	12 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Other income (loss), net
Increase (decrease) In other income (expense), net	€ 613,300
Other income, net	€ 613,538	€ 267	€ (2,527)

The amount of operating income (expense) that the entity does not separately disclose in the same statement or note.

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