Statement Of Changes In Equity [Abstract]
| Concept |
2020-05-01 to 2021-04-30 |
2020-05-01 to 2021-04-30 |
2020-05-01 to 2021-04-30 |
2020-05-01 to 2021-04-30 |
2020-05-01 to 2021-04-30 |
2020-05-01 to 2021-04-30 |
|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||
| Statement of changes in equity [line items] | ||||||
| Reduction of issued capital |
–
GBP
|
–
GBP
|
–
GBP
|
53 3,897
GBP
|
533 ,897
GBP
|
–
GBP
|