Statement Of Changes In Equity [Abstract]
| Concept |
As at 2022-07-31 |
As at 2022-07-31 |
As at 2022-07-31 |
2021-08-01 to 2022-07-31 |
As at 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
As at 2022-07-31 |
2021-08-01 to 2022-07-31 |
As at 2022-07-31 |
As at 2022-07-31 |
2021-08-01 to 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 |
As at 2021-07-31 |
As at 2021-07-31 |
2020-08-01 to 2021-07-31 |
2020-08-01 to 2021-07-31 |
2020-08-01 to 2021-07-31 |
2020-08-01 to 2021-07-31 |
As at 2021-07-31 |
As at 2021-07-31 |
As at 2021-07-31 |
As at 2021-07-31 |
2020-08-01 to 2021-07-31 |
2020-08-01 to 2021-07-31 |
2020-08-01 to 2021-07-31 |
2020-08-01 to 2021-07-31 |
2020-08-01 to 2021-07-31 |
2020-08-01 to 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 2020-07-31 |
As at 2020-07-31 |
As at 2020-07-31 |
As at 2020-07-31 |
As at 2020-07-31 |
As at 2020-07-31 |
As at 2020-07-31 |
As at 2020-07-31 |
As at 2020-07-31 |
As at 2020-07-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
11 , 5 2 7
GBP
|
2, 000
GBP
|
96,247,000
GBP
|
— |
208,308,000
GBP
|
— | — |
5,05 8
GBP
|
— |
3,0 9 9
GBP
|
2 0 8 , 2 12
GBP
|
— |
3,57 4
GBP
|
93,8 55
GBP
|
96,000
GBP
|
— | — | — | — | — |
11 , 5 2 7
GBP
|
3,739,000
GBP
|
— | — | — | — |
18 5,2 9 0
GBP
|
4,0 9 0
GBP
|
—
GBP
|
18 5 , 2 9 0
GBP
|
— | — | — | — | — | — |
2 , 000
GBP
|
74 , 6 5 8
GBP
|
9 3,8 5 5
GBP
|
2,8 9 9
GBP
|
2 , 4 0 1
GBP
|
11 , 5 2 7
GBP
|
701,000
GBP
|
—
GBP
|
2 , 000
GBP
|
1 75 ,555
GBP
|
1 75 , 555
GBP
|
1, 41 0
GBP
|
6 8,4 6 3
GBP
|
9 3,8 5 5
GBP
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — |
—
GBP
|
— |
62,000
GBP
|
3 5,610
GBP
|
— |
—
GBP
|
— | — |
—
GBP
|
— | — | — |
35, 672
GBP
|
—
GBP
|
3 5,6 10
GBP
|
—
GBP
|
—
GBP
|
— | — |
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
— | — | — | — |
20,8 3 6
GBP
|
—
GBP
|
2 0,8 3 6
GBP
|
—
GBP
|
20,836,000
GBP
|
—
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — |
—
GBP
|
— |
—
GBP
|
20 0
GBP
|
— |
—
GBP
|
— | — |
—
GBP
|
— | — | — |
200,000
GBP
|
—
GBP
|
—
GBP
|
20 0
GBP
|
—
GBP
|
— | — |
—
GBP
|
—
GBP
|
2,198,000
GBP
|
—
GBP
|
— | — | — | — |
—
GBP
|
—
GBP
|
2,198,000
GBP
|
—
GBP
|
2, 198
GBP
|
—
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — | — |
—
GBP
|
— |
62,000
GBP
|
3 5,8 10
GBP
|
— |
—
GBP
|
— | — |
—
GBP
|
— | — | — |
35,87 2
GBP
|
—
GBP
|
3 5,610
GBP
|
200,000
GBP
|
—
GBP
|
— | — |
—
GBP
|
—
GBP
|
2 ,1 9 8
GBP
|
—
GBP
|
— | — | — | — |
2 0,8 3 6
GBP
|
—
GBP
|
23 , 034
GBP
|
—
GBP
|
23 , 034
GBP
|
—
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — |
—
GBP
|
— |
—
GBP
|
13 , 2 7 2
GBP
|
— |
—
GBP
|
— | — |
—
GBP
|
— | — | — |
13 , 2 7 2
GBP
|
—
GBP
|
13 , 2 7 2
GBP
|
—
GBP
|
—
GBP
|
— | — |
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
— | — | — | — |
3 ,7 6 2
GBP
|
—
GBP
|
3 ,7 6 2
GBP
|
—
GBP
|
3 ,76 2
GBP
|
—
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — |
—
GBP
|
— |
—
GBP
|
2 ,0 9 7
GBP
|
— |
2,0 97
GBP
|
— | — |
—
GBP
|
— | — | — |
2,0 97
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
— | — |
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
— | — | — | — |
—
GBP
|
3 ,7 9 2
GBP
|
3,7 9 2
GBP
|
—
GBP
|
3 ,7 9 2
GBP
|
—
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |