Analysis Of Income And Expense [Abstract]
| Concept |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||
| Revenue [abstract] | ||||||||||||||||
| Revenue |
–
GBP
|
444,700,000
GBP
|
— | — | — | — | — |
444,700,000
GBP
|
— | — | — | — |
–
GBP
|
3 6 7. 3
GBP
|
— |
3 6 7. 3
GBP
|
| Material income and expense [abstract] | ||||||||||||||||
| Research and development expense |
800,000
GBP
|
35 .9
GBP
|
— | — | — | — | — |
36,700,000
GBP
|
— | — | — | — |
–
GBP
|
3 2. 8
GBP
|
— |
3 2. 8
GBP
|
| Income tax relating to components of other comprehensive income [abstract] | ||||||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — | — |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
9. 7
GBP
|
9,700,000
GBP
|
–
GBP
|
–
GBP
|
6. 8
GBP
|
–
GBP
|
— | — |
–
GBP
|
6. 8
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — |
–
GBP
|
5,300,000
GBP
|
–
GBP
|
–
GBP
|
2 9.7
GBP
|
35,000,000
GBP
|
–
GBP
|
1 .0
GBP
|
59. 1
GBP
|
–
GBP
|
— | — |
–
GBP
|
60. 1
GBP
|