Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-10-31 |
As at 2021-10-31 |
As at 2020-10-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
3,400,000
GBP
|
3,200,000
GBP
|
— |
| Investment property [abstract] | |||
| Investment property under construction or development |
94,500,000
GBP
|
67,400,000
GBP
|
— |
| Investment property |
2,647,400,000
GBP
|
2,031,300,000
GBP
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments in associates accounted for using equity method |
1,800,000
GBP
|
7,200,000
GBP
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current derivative financial assets |
—
GBP
|
900,000
GBP
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
31,200,000
GBP
|
28,900,000
GBP
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
300,000
GBP
|
500,000
GBP
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
20,900,000
GBP
|
43,200,000
GBP
|
19,600,000
GBP
|
| Miscellaneous current assets [abstract] | |||
| Current derivative financial assets |
1,700,000
GBP
|
1,300,000
GBP
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
522,100,000
GBP
|
484,700,000
GBP
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
101,700,000
GBP
|
—
GBP
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
62,700,000
GBP
|
75,800,000
GBP
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current derivative financial liabilities |
—
GBP
|
200,000
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
2,100,000
GBP
|
2,100,000
GBP
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
1,721,000,000
GBP
|
1,306,400,000
GBP
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
8,500,000
GBP
|
5,100,000
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
2,707,500,000
GBP
|
2,117,300,000
GBP
|
— |
| Liabilities |
914,100,000
GBP
|
742,400,000
GBP
|
— |
| Assets (liabilities) |
1,793,400,000
GBP
|
1,374,900,000
GBP
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
54,100,000
GBP
|
73,900,000
GBP
|
— |
| Current liabilities |
178,400,000
GBP
|
88,600,000
GBP
|
— |
| Assets less current liabilities [abstract] |