Statement Of Changes In Equity [Abstract]
| Concept |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||
| Increase (decrease) through transactions with owners, equity |
–
GBP
|
17,786,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
827,000
GBP
|
–
GBP
|
16,959,000
GBP
|
13,857,000
GBP
|
–
GBP
|
10,000
GBP
|
–
GBP
|
16,984,000
GBP
|
–
GBP
|
3,965,000
GBP
|
848,000
GBP
|
| Purchase of treasury shares |
–
GBP
|
4,402,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
4,402,000
GBP
|
–
GBP
|
–
GBP
|
848,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
848,000
GBP
|
| Sale or issue of treasury shares | — | — | — | — | — | — | — | — |
240,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
240,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|