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 |
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 |
223,400,000
GBP
|
— | — | — | — | — | — | — |
224,200,000
GBP
|
— |
| Miscellaneous other comprehensive income [abstract] | ||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations |
22,000,000
GBP
|
—
GBP
|
—
GBP
|
22,000,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
7,100,000
GBP
|
7,100,000
GBP
|
—
GBP
|
| Other comprehensive income, net of tax, hedges of net investments in foreign operations |
6,900,000
GBP
|
—
GBP
|
—
GBP
|
6,900,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
2,900,000
GBP
|
2,900,000
GBP
|
—
GBP
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income |
357,200,000
GBP
|
372,300,000
GBP
|
—
GBP
|
15,100,000
GBP
|
—
GBP
|
—
GBP
|
200,200,000
GBP
|
4,200,000
GBP
|
204,400,000
GBP
|
—
GBP
|