Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-10-31 |
As at 2021-10-31 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
231,300,000
GBP
|
198,700,000
GBP
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets other than goodwill [abstract] | ||
| Intangible assets under development |
34,600,000
GBP
|
30,000,000
GBP
|
| Other intangible assets |
11,400,000
GBP
|
14,100,000
GBP
|
| Goodwill |
118,100,000
GBP
|
108,700,000
GBP
|
| Miscellaneous non-current assets [abstract] | ||
| Non-current net defined benefit asset |
11,200,000
GBP
|
13,700,000
GBP
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
61,100,000
GBP
|
60,600,000
GBP
|
| Classes of current inventories [abstract] | ||
| Current inventories |
99,600,000
GBP
|
80,700,000
GBP
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
19,800,000
GBP
|
5,800,000
GBP
|
| Miscellaneous current assets [abstract] | ||
| Current derivative financial assets |
700,000
GBP
|
1,000,000
GBP
|
| Borrowings [abstract] | ||
| Non-current portion of non-current borrowings |
20,900,000
GBP
|
28,100,000
GBP
|
| Current borrowings and current portion of non-current borrowings [abstract] | ||
| Current borrowings |
—
GBP
|
400,000
GBP
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Trade and other current payables [abstract] | ||
| Trade and other current payables |
98,200,000
GBP
|
85,700,000
GBP
|
| Miscellaneous non-current liabilities [abstract] | ||
| Non-current derivative financial liabilities |
1,100,000
GBP
|
—
GBP
|
| Miscellaneous current liabilities [abstract] | ||
| Current derivative financial liabilities |
4,200,000
GBP
|
400,000
GBP
|
| Issued capital [abstract] | ||
| Issued capital |
2,800,000
GBP
|
2,800,000
GBP
|
| Retained earnings [abstract] | ||
| Retained earnings |
87,200,000
GBP
|
56,200,000
GBP
|
| Accumulated other comprehensive income [abstract] | ||
| Revaluation surplus |
—
GBP
|
900,000
GBP
|
| Reserve of exchange differences on translation |
7,500,000
GBP
|
27,100,000
GBP
|
| Miscellaneous equity [abstract] | ||
| Capital reserve |
12,900,000
GBP
|
12,900,000
GBP
|
| Net assets (liabilities) [abstract] | ||
| Assets |
620,100,000
GBP
|
531,500,000
GBP
|
| Liabilities |
202,000,000
GBP
|
178,700,000
GBP
|
| Assets (liabilities) |
418,100,000
GBP
|
352,800,000
GBP
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
181,200,000
GBP
|
148,100,000
GBP
|
| Current liabilities |
113,700,000
GBP
|
102,500,000
GBP
|
| Assets less current liabilities [abstract] |