Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-12-01 |
As at 2023-12-03 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
1 ,555.4
GBP
|
1, 79 4. 9
GBP
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets other than goodwill [abstract] | ||
| Intangible assets other than goodwill |
496,500,000
GBP
|
461 .3
GBP
|
| Goodwill |
158,200,000
GBP
|
158,600,000
GBP
|
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | ||
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements |
7. 0
GBP
|
9,500,000
GBP
|
| Trade and other non-current receivables [abstract] | ||
| Trade and other non-current receivables |
–
GBP
|
50,900,000
GBP
|
| Miscellaneous non-current assets [abstract] | ||
| Non-current derivative financial assets |
3,400,000
GBP
|
3,300,000
GBP
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
186,400,000
GBP
|
375 .4
GBP
|
| Classes of current inventories [abstract] | ||
| Current inventories |
39,800,000
GBP
|
127 . 1
GBP
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
732,500,000
GBP
|
884 .8
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 or as held for distribution to owners |
586,500,000
GBP
|
4,900,000
GBP
|
| Miscellaneous current assets [abstract] | ||
| Current derivative financial assets |
0 .1
GBP
|
0 .1
GBP
|
| Borrowings [abstract] | ||
| Non-current portion of non-current borrowings |
1, 386.5
GBP
|
1 ,459.5
GBP
|
| Current borrowings and current portion of non-current borrowings [abstract] | ||
| Current borrowings |
200,000
GBP
|
2,600,000
GBP
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Trade and other non-current payables [abstract] | ||
| Non-current accruals and non-current deferred income including non-current contract liabilities [abstract] | ||
| Non-current deferred income including non-current contract liabilities [abstract] | ||
| Non-current contract liabilities [abstract] | ||
| Non-current contract liabilities |
468,500,000
GBP
|
408. 1
GBP
|
| Trade and other non-current payables |
1. 1
GBP
|
1. 1
GBP
|
| Trade and other current payables [abstract] | ||
| Current accruals and current deferred income including current contract liabilities [abstract] | ||
| Current deferred income including current contract liabilities [abstract] | ||
| Current contract liabilities [abstract] | ||
| Current contract liabilities |
38. 1
GBP
|
38. 6
GBP
|
| Trade and other current payables |
246 . 6
GBP
|
468 .4
GBP
|
| Miscellaneous current liabilities [abstract] | ||
| Current derivative financial liabilities |
0. 7
GBP
|
0 .2
GBP
|
| Issued capital [abstract] | ||
| Issued capital |
16,700,000
GBP
|
1 6.6
GBP
|
| Retained earnings [abstract] | ||
| Retained earnings |
7 48. 8
GBP
|
449. 8
GBP
|
| Net assets (liabilities) [abstract] | ||
| Assets |
4, 156.5
GBP
|
4,429 .0
GBP
|
| Assets (liabilities) |
1, 171.2
GBP
|
1, 51 1.0
GBP
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
1 ,565 .7
GBP
|
1,437 .5
GBP
|
| Current liabilities |
324. 9
GBP
|
576 .8
GBP
|
| Current assets (liabilities) |
1 ,240 .8
GBP
|
860 .7
GBP
|
| Assets less current liabilities [abstract] |