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 |
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 |
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
|
30,400,000
GBP
|
–
GBP
|
–
GBP
|
300,000
GBP
|
–
GBP
|
30,400,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
30,100,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
17,100,000
GBP
|
–
GBP
|
–
GBP
|
17,700,000
GBP
|
600,000
GBP
|
17,700,000
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 | — | — | — | — | — | — | — | — | — | — |
1,000,000
GBP
|
— | — | — | — | — | — | — |
5,800,000
GBP
|
— | — | — | — | — |
| Comprehensive income | — | — | — | — | — | — | — | — | — | — |
29,100,000
GBP
|
— | — | — | — | — | — | — |
22,900,000
GBP
|
— | — | — | — | — |
| Comprehensive income attributable to [abstract] | ||||||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — | — | — | — |
29,400,000
GBP
|
— | — | — | — | — | — | — |
23,500,000
GBP
|
— | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — | — | — | — |
300,000
GBP
|
— | — | — | — | — | — | — |
600,000
GBP
|
— | — | — | — | — |