Statement Of Comprehensive Income [Abstract]
| Concept |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||
| Profit (loss) |
–
GBP
|
–
GBP
|
229,400,000
GBP
|
–
GBP
|
229,400,000
GBP
|
–
GBP
|
140,200,000
GBP
|
140,200,000
GBP
|
–
GBP
|
–
GBP
|
| Other comprehensive income [abstract] | ||||||||||
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — |
28,400,000
GBP
|
— | — | — | — |
12,200,000
GBP
|
— | — |
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — | — |
6,700,000
GBP
|
— | — | — | — |
9,000,000
GBP
|
— | — |
| Other comprehensive income | — | — |
35,100,000
GBP
|
— | — | — | — |
21,200,000
GBP
|
— | — |
| Comprehensive income |
–
GBP
|
–
GBP
|
264,500,000
GBP
|
6,700,000
GBP
|
257,800,000
GBP
|
9,000,000
GBP
|
152,400,000
GBP
|
161,400,000
GBP
|
–
GBP
|
–
GBP
|