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 |
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] | ||||||||||||||
| Decrease (increase) through tax on share-based payment transactions, equity |
—
GBP
|
876,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
876,000
GBP
|
— | — | — | — | — | — | — |
| Purchase of treasury shares |
—
GBP
|
1,788,000
GBP
|
—
GBP
|
—
GBP
|
1,788,000
GBP
|
—
GBP
|
—
GBP
|
1 ,1 0 6
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
1 ,10 6
GBP
|
| Sale or issue of treasury shares |
—
GBP
|
708,000
GBP
|
—
GBP
|
—
GBP
|
70 8
GBP
|
—
GBP
|
—
GBP
|
691,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
691,000
GBP
|