Statement Of Comprehensive Income [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 |
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 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2019-04-01 to 2020-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||||
| Profit (loss) |
–
GBP
|
–
GBP
|
2,700,000
GBP
|
9,800,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
2 .7
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
2 3 . 8
GBP
|
22 . 6
GBP
|
–
GBP
|
–
GBP
|
1,200,000
GBP
|
–
GBP
|
–
GBP
|
1. 2
GBP
|
7,100,000
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||||||||
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations | — | — |
0 . 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
0. 5
GBP
|
— |
| Cash flow hedges [abstract] | ||||||||||||||||||||
| Other comprehensive income, net of tax, cash flow hedges | — | — |
0 . 1
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
200,000
GBP
|
— |
| Other comprehensive income |
–
GBP
|
0 . 1
GBP
|
0 . 3
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
0 . 2
GBP
|
–
GBP
|
–
GBP
|
— | — |
500,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
200,000
GBP
|
700,000
GBP
|
— |
| Comprehensive income |
–
GBP
|
0 . 1
GBP
|
2,400,000
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
2,700,000
GBP
|
0 . 2
GBP
|
–
GBP
|
–
GBP
|
— | — |
500,000
GBP
|
–
GBP
|
1,200,000
GBP
|
–
GBP
|
200,000
GBP
|
1,900,000
GBP
|
— |