Statement Of Comprehensive Income [Abstract]
| Concept |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
2023-05-01 to 2024-04-30 |
2022-05-01 to 2023-04-30 |
2022-05-01 to 2023-04-30 |
2022-05-01 to 2023-04-30 |
2022-05-01 to 2023-04-30 |
2022-05-01 to 2023-04-30 |
2022-05-01 to 2023-04-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||
| Profit (loss) |
–
GBP
|
3 9 7. 6
GBP
|
–
GBP
|
–
GBP
|
3 97. 6
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
4 6 5 .7
GBP
|
–
GBP
|
46 5 .7
GBP
|
| Other comprehensive income [abstract] | ||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | ||||||||||||
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans | — | — | — | — |
0. 7
GBP
|
— | — | — | — | — | — |
1. 3
GBP
|
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — | — | — |
0. 7
GBP
|
— | — | — | — | — | — |
1. 3
GBP
|
| Other comprehensive income |
–
GBP
|
0 . 7
GBP
|
–
GBP
|
–
GBP
|
0. 7
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
1. 3
GBP
|
–
GBP
|
1. 3
GBP
|
| Comprehensive income | — | — | — | — |
396,900,000
GBP
|
— | — | — | — | — | — |
464,400,000
GBP
|