Statement Of Comprehensive Income [Abstract]
| Concept |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||
| Profit (loss) |
–
GBP
|
1 81 . 2
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
181 . 2
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
3 4.7
GBP
|
3 4 .7
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 | — | — | — | — | — |
4 .3
GBP
|
— | — | — | — | — | — | — | — | — |
7. 4
GBP
|
| Cash flow hedges [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, cash flow hedges | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — |
1 . 6
GBP
|
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — | — | — | — | — |
4 .3
GBP
|
— | — | — | — | — | — | — | — | — |
9,000,000
GBP
|
| Other comprehensive income |
4. 3
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
4. 3
GBP
|
–
GBP
|
–
GBP
|
1 . 6
GBP
|
–
GBP
|
7. 4
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
9. 0
GBP
|
| Comprehensive income |
4. 3
GBP
|
18 1 . 2
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
185 .5
GBP
|
–
GBP
|
–
GBP
|
1 . 6
GBP
|
–
GBP
|
7. 4
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
3 4.7
GBP
|
25 .7
GBP
|