Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-09-28 |
As at 2023-09-30 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
2 , 0 6 9. 0
GBP
|
2,0 6 4. 8
GBP
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets and goodwill |
2 9. 3
GBP
|
3 2.9
GBP
|
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | ||
| Investments in associates reported in separate financial statements |
−
GBP
|
25 0.9
GBP
|
| Miscellaneous non-current assets [abstract] | ||
| Non-current net defined benefit asset |
13 .1
GBP
|
12 . 9
GBP
|
| Non-current derivative financial assets |
400,000
GBP
|
2. 7
GBP
|
| Other non-current assets |
14 . 4
GBP
|
15 . 0
GBP
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
2 5 .9
GBP
|
26 .9
GBP
|
| Classes of current inventories [abstract] | ||
| Current inventories |
14 . 4
GBP
|
14 . 9
GBP
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Other cash and cash equivalents |
1,100,000
GBP
|
3 .1
GBP
|
| Cash and cash equivalents |
44,400,000
GBP
|
2 6. 5
GBP
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | ||
| Non-current assets or disposal groups classified as held for sale |
1,300,000
GBP
|
1. 4
GBP
|
| Miscellaneous current assets [abstract] | ||
| Current derivative financial assets |
−
GBP
|
1,100,000
GBP
|
| Borrowings [abstract] | ||
| Non-current portion of non-current borrowings |
1, 2 4 4 . 7
GBP
|
1, 5 2 9. 5
GBP
|
| Current borrowings and current portion of non-current borrowings [abstract] | ||
| Current borrowings |
5 8 . 2
GBP
|
6 5 . 9
GBP
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Trade and other current payables [abstract] | ||
| Trade and other current payables |
17 9. 5
GBP
|
17 0 . 4
GBP
|
| Miscellaneous non-current liabilities [abstract] | ||
| Non-current derivative financial liabilities |
5 9. 4
GBP
|
3 7. 4
GBP
|
| Other non-current liabilities |
8 . 3
GBP
|
7. 1
GBP
|
| Issued capital [abstract] | ||
| Issued capital |
48 .7
GBP
|
4 8. 7
GBP
|
| Retained earnings [abstract] | ||
| Retained earnings |
15 . 3
GBP
|
6 . 5
GBP
|
| Accumulated other comprehensive income [abstract] | ||
| Revaluation surplus |
4 31. 6
GBP
|
412 .1
GBP
|
| Reserve of cash flow hedges |
4 0 . 8
GBP
|
4 4 . 4
GBP
|
| Miscellaneous equity [abstract] | ||
| Capital redemption reserve |
6. 8
GBP
|
6,800,000
GBP
|
| Net assets (liabilities) [abstract] | ||
| Assets (liabilities) |
654,800,000
GBP
|
6 4 0 .1
GBP
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
8 7. 1
GBP
|
74 . 3
GBP
|
| Current liabilities |
2 4 1.1
GBP
|
2 37 . 7
GBP
|
| Assets less current liabilities [abstract] |