Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-10-31 |
As at 2022-10-31 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
242,200,000
GBP
|
231,300,000
GBP
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets other than goodwill [abstract] | ||
| Intangible assets under development |
17,600,000
GBP
|
34,600,000
GBP
|
| Other intangible assets |
9,600,000
GBP
|
11,400,000
GBP
|
| Goodwill |
100,500,000
GBP
|
118,100,000
GBP
|
| Miscellaneous non-current assets [abstract] | ||
| Non-current net defined benefit asset |
5,900,000
GBP
|
11,200,000
GBP
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
74,800,000
GBP
|
61,100,000
GBP
|
| Classes of current inventories [abstract] | ||
| Current inventories |
101,700,000
GBP
|
99,600,000
GBP
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
6,400,000
GBP
|
19,800,000
GBP
|
| Miscellaneous current assets [abstract] | ||
| Current derivative financial assets |
800,000
GBP
|
700,000
GBP
|
| Borrowings [abstract] | ||
| Non-current portion of non-current borrowings |
14,100,000
GBP
|
20,900,000
GBP
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Trade and other current payables [abstract] | ||
| Trade and other current payables |
124,000,000
GBP
|
98,200,000
GBP
|
| Miscellaneous non-current liabilities [abstract] | ||
| Non-current derivative financial liabilities |
300,000
GBP
|
1,100,000
GBP
|
| Miscellaneous current liabilities [abstract] | ||
| Current derivative financial liabilities |
3,200,000
GBP
|
4,200,000
GBP
|
| Issued capital [abstract] | ||
| Issued capital |
2,800,000
GBP
|
2,800,000
GBP
|
| Retained earnings [abstract] | ||
| Retained earnings |
62,900,000
GBP
|
87,200,000
GBP
|
| Accumulated other comprehensive income [abstract] | ||
| Reserve of exchange differences on translation |
8,800,000
GBP
|
7,500,000
GBP
|
| Miscellaneous equity [abstract] | ||
| Capital reserve |
12,900,000
GBP
|
12,900,000
GBP
|
| Net assets (liabilities) [abstract] | ||
| Assets |
596,400,000
GBP
|
620,100,000
GBP
|
| Liabilities |
217,900,000
GBP
|
202,000,000
GBP
|
| Assets (liabilities) |
378,500,000
GBP
|
418,100,000
GBP
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
183,700,000
GBP
|
181,200,000
GBP
|
| Current liabilities |
142,100,000
GBP
|
113,700,000
GBP
|
| Assets less current liabilities [abstract] |