Trade and Other Receivables - Gross and Net Amount of Accrued Income (Details) - GBP (£) £ in Thousands |
Jun. 30, 2023 |
Jun. 30, 2022 |
|---|---|---|
| Disclosure of Trade and Other Receivables [Line Items] | ||
| Accrued income | £ 12,775 | £ 13,458 |
| Gross carrying amount | ||
| Disclosure of Trade and Other Receivables [Line Items] | ||
| Accrued income | 12,775 | 13,466 |
| Expected credit loss allowance | ||
| Disclosure of Trade and Other Receivables [Line Items] | ||
| Accrued income | £ 0 | £ (8) |