Analysis Of Income And Expense [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 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||
| Revenue |
1,931,600,000
GBP
|
— | — | — | — | — | — |
1,931,600,000
GBP
|
-
GBP
|
-
GBP
|
1,912,100,000
GBP
|
— | — | — | — |
1,912,100,000
GBP
|
— | — |
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||||
| Income tax relating to exchange differences on translation of foreign operations and hedges of net investments in foreign operations included in other comprehensive income [abstract] | ||||||||||||||||||
| Income tax relating to exchange differences on translation of foreign operations included in other comprehensive income | — | — | — | — | — | — | — |
700,000
GBP
|
— | — | — | — | — | — | — |
100,000
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 | — | — | — | — | — | — | — |
4,400,000
GBP
|
— | — | — | — | — | — | — |
27,200,000
GBP
|
— | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income | — |
172,400,000
GBP
|
-
GBP
|
10,900,000
GBP
|
3,200,000
GBP
|
-
GBP
|
-
GBP
|
186,500,000
GBP
|
— | — | — |
12,500,000
GBP
|
57,900,000
GBP
|
-
GBP
|
100,000
GBP
|
45,500,000
GBP
|
-
GBP
|
-
GBP
|