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INVESTMENTS - Realized Gain On Sale Of Stock (Details) - EBP 1998 - EUR (€)
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
EBP, Schedule of Asset Held for Investment [Line Items]      
Proceeds on sales of shares € 170,189 € 546,393 € 462,141
Cost (149,835) (450,566) (369,583)
Realised gain on sales of shares € 20,354 € 95,827 € 92,558