v3.26.3
Summary of significant accounting policies - Exchange rates (Details)
12 Months Ended
Jun. 30, 2026
€ / £
Jun. 30, 2026
$ / £
€ / £
Jun. 30, 2025
€ / £
Jun. 30, 2025
$ / £
€ / £
Jun. 30, 2024
€ / £
Jun. 30, 2024
$ / £
€ / £
Jun. 30, 2026
$ / £
Jun. 30, 2025
$ / £
Jun. 30, 2024
$ / £
Exchange rates                  
Closing rate 1.1615 1.1615 1.1667 1.1667 1.1799 1.1799 1.3272 1.3709 1.2643
Average rate 1.151 1.3421 1.1908 1.2972 1.1652 1.2605