Analysis Of Income And Expense [Abstract]
| Concept |
2023-11-01 to 2024-10-31 |
2023-11-01 to 2024-10-31 |
2023-11-01 to 2024-10-31 |
2023-11-01 to 2024-10-31 |
2023-11-01 to 2024-10-31 |
2023-11-01 to 2024-10-31 |
2022-11-01 to 2023-10-31 |
2022-11-01 to 2023-10-31 |
2022-11-01 to 2023-10-31 |
2022-11-01 to 2023-10-31 |
2022-11-01 to 2023-10-31 |
2022-11-01 to 2023-10-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||
| Revenue [abstract] | ||||||||||||
| Revenue | — |
510,400,000
GBP
|
— | — | — | — | — | — | — | — |
472,600,000
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 | — |
100,000
GBP
|
— | — | — | — | — | — | — | — |
1,100,000
GBP
|
— |
| Income tax relating to components of other comprehensive income [abstract] | ||||||||||||
| Income tax relating to components of other comprehensive income |
—
GBP
|
600,000
GBP
|
500,000
GBP
|
—
GBP
|
100,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
1,600,000
GBP
|
1,100,000
GBP
|
500,000
GBP
|
—
GBP
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income |
—
GBP
|
26,800,000
GBP
|
38,700,000
GBP
|
—
GBP
|
11,900,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
2,300,000
GBP
|
16,300,000
GBP
|
14,000,000
GBP
|
—
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent | — |
26,800,000
GBP
|
— | — | — | — | — | — | — | — |
14,000,000
GBP
|
— |