Statement Of Changes In Equity [Abstract]
| Concept |
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 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||
| Increase (decrease) through acquisition of subsidiary, equity |
—
GBP
|
34,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
34,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through exercise of options, equity |
2,0 6 5
GBP
|
—
GBP
|
18 7
GBP
|
1,129,000
GBP
|
—
GBP
|
187,000
GBP
|
—
GBP
|
74 9
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
767,000
GBP
|
—
GBP
|
—
GBP
|
345,000
GBP
|
1 ,1 1 2
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
| Purchase of treasury shares |
1,9 0 0
GBP
|
—
GBP
|
1,9 0 0
GBP
|
—
GBP
|
—
GBP
|
1,9 0 0
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
2 ,1 0 5
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
2,105,000
GBP
|
—
GBP
|
2 ,1 0 5
GBP
|
—
GBP
|