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 |
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 comprehensive income [abstract] | ||||||||||
| Profit (loss) |
–
GBP
|
126,900,000
GBP
|
–
GBP
|
–
GBP
|
126,900,000
GBP
|
204,900,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
204,900,000
GBP
|
| Other comprehensive income [abstract] | ||||||||||
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — |
211,900,000
GBP
|
— | — | — | — | — | — | — |
282,700,000
GBP
|
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — |
45,900,000
GBP
|
— | — | — | — | — | — | — |
67,500,000
GBP
|
| Comprehensive income |
42,300,000
GBP
|
130,900,000
GBP
|
–
GBP
|
–
GBP
|
88,600,000
GBP
|
82,500,000
GBP
|
62,800,000
GBP
|
–
GBP
|
–
GBP
|
145,300,000
GBP
|