Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-10-01 |
As at 2021-10-02 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
2,111,000,000
GBP
|
1,984,200,000
GBP
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets and goodwill |
35,100,000
GBP
|
36,100,000
GBP
|
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | ||
| Investments in associates reported in separate financial statements |
260,300,000
GBP
|
277,400,000
GBP
|
| Miscellaneous non-current assets [abstract] | ||
| Non-current net defined benefit asset |
15,100,000
GBP
|
–
GBP
|
| Non-current derivative financial assets |
1,800,000
GBP
|
–
GBP
|
| Other non-current assets |
17,900,000
GBP
|
15,900,000
GBP
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
30,100,000
GBP
|
52,300,000
GBP
|
| Classes of current inventories [abstract] | ||
| Current inventories |
12,600,000
GBP
|
12,900,000
GBP
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Other cash and cash equivalents |
3,000,000
GBP
|
3,200,000
GBP
|
| Cash and cash equivalents |
27,700,000
GBP
|
32,200,000
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 |
4,800,000
GBP
|
5,100,000
GBP
|
| Miscellaneous current assets [abstract] | ||
| Current derivative financial assets |
3,300,000
GBP
|
–
GBP
|
| Borrowings [abstract] | ||
| Non-current portion of non-current borrowings |
1,560,600,000
GBP
|
1,571,800,000
GBP
|
| Current borrowings and current portion of non-current borrowings [abstract] | ||
| Current borrowings |
64,100,000
GBP
|
67,500,000
GBP
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Trade and other current payables [abstract] | ||
| Trade and other current payables |
204,400,000
GBP
|
220,700,000
GBP
|
| Miscellaneous non-current liabilities [abstract] | ||
| Non-current net defined benefit liability |
–
GBP
|
14,400,000
GBP
|
| Non-current derivative financial liabilities |
25,500,000
GBP
|
170,500,000
GBP
|
| Other non-current liabilities |
6,500,000
GBP
|
5,500,000
GBP
|
| Issued capital [abstract] | ||
| Issued capital |
48,700,000
GBP
|
48,700,000
GBP
|
| Retained earnings [abstract] | ||
| Retained earnings |
3,100,000
GBP
|
151,100,000
GBP
|
| Accumulated other comprehensive income [abstract] | ||
| Revaluation surplus |
417,100,000
GBP
|
360,500,000
GBP
|
| Reserve of cash flow hedges |
50,700,000
GBP
|
81,400,000
GBP
|
| Miscellaneous equity [abstract] | ||
| Capital redemption reserve |
6,800,000
GBP
|
6,800,000
GBP
|
| Net assets (liabilities) [abstract] | ||
| Assets (liabilities) |
648,100,000
GBP
|
406,400,000
GBP
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
81,500,000
GBP
|
106,700,000
GBP
|
| Current liabilities |
270,700,000
GBP
|
289,700,000
GBP
|
| Assets less current liabilities [abstract] |