Statement Of Changes In Equity [Abstract]
| Concept |
As at 2023-07-31 |
As at 2023-07-31 |
As at 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
As at 2023-07-31 |
As at 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
As at 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
As at 2023-07-31 |
As at 2022-07-31 |
As at 2022-07-31 |
As at 2022-07-31 |
As at 2022-07-31 |
As at 2022-07-31 |
As at 2022-07-31 |
As at 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
As at 2021-07-31 |
As at 2021-07-31 |
As at 2021-07-31 |
As at 2021-07-31 |
As at 2021-07-31 |
As at 2021-07-31 |
As at 2021-07-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||
| Equity |
660,000
GBP
|
1,989,000
GBP
|
14,334,000
GBP
|
— | — |
223,000
GBP
|
32,414,000
GBP
|
— | — | — |
1,817,000
GBP
|
— | — |
46, 139
GBP
|
14,334,000
GBP
|
1,571,000
GBP
|
223,000
GBP
|
3,239,000
GBP
|
26, 102
GBP
|
43,493,000
GBP
|
1, 166
GBP
|
— | — | — | — | — | — | — |
14,334,000
GBP
|
32,055,000
GBP
|
1,024,000
GBP
|
2, 152
GBP
|
162,000
GBP
|
223,000
GBP
|
18, 788
GBP
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — |
–
GBP
|
–
GBP
|
— | — |
–
GBP
|
–
GBP
|
12,586,000
GBP
|
— |
12,586,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
12,370,000
GBP
|
–
GBP
|
12,370,000
GBP
|
— | — | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — | — |
3,901,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
3,412,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — | — |
–
GBP
|
–
GBP
|
— | — |
–
GBP
|
3,899,000
GBP
|
12,584,000
GBP
|
— |
8,685,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
–
GBP
|
–
GBP
|
3,401,000
GBP
|
15, 782
GBP
|
–
GBP
|
12,381,000
GBP
|
— | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — |
–
GBP
|
–
GBP
|
— | — |
–
GBP
|
–
GBP
|
6,255,000
GBP
|
— |
6,255,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
4,830,000
GBP
|
–
GBP
|
4,830,000
GBP
|
— | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — | — | — |
297,000
GBP
|
–
GBP
|
— | — |
–
GBP
|
–
GBP
|
115,000
GBP
|
— |
182,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — |
–
GBP
|
–
GBP
|
— | — |
–
GBP
|
–
GBP
|
–
GBP
|
— |
837,000
GBP
|
837,000
GBP
|
— | — | — | — | — | — | — | — |
142,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
113,000
GBP
|
–
GBP
|
29,000
GBP
|
— | — | — | — | — | — | — |