Statement Of Changes In Equity [Abstract]
| Concept |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||
| Statement of changes in equity [line items] | ||||||||||
| Decrease (increase) through tax on share-based payment transactions, equity |
275,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
275,000
GBP
|
–
GBP
|
202,000
GBP
|
–
GBP
|
202,000
GBP
|
–
GBP
|
| Increase (decrease) through transactions with owners, equity |
4 4 ,053
GBP
|
267,000
GBP
|
272,000
GBP
|
–
GBP
|
4 4, 592
GBP
|
19 9
GBP
|
2 2,5 80
GBP
|
–
GBP
|
2 3,18 6
GBP
|
4 07
GBP
|