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INVESTMENTS - Realized Gain On Sale Of Stock (Details) - EBP 1-4-1 Plan - GBP (£)
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
EBP, Schedule of Asset Held for Investment [Line Items]      
Proceeds on sale of shares £ 8,146,619 £ 9,199,905 £ 10,534,286
Cost (6,395,108) (5,882,550) (6,573,003)
Realized gain on shares sold £ 1,751,511 £ 3,317,355 £ 3,961,283