Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-26 |
As at 2020-12-27 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
90. 3
GBP
|
91. 1
GBP
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets and goodwill |
3 2 .1
GBP
|
30. 5
GBP
|
| Investments accounted for using equity method [abstract] | ||
| Investments accounted for using equity method |
52 .7
GBP
|
39. 4
GBP
|
| Trade and other non-current receivables [abstract] | ||
| Trade and other non-current receivables |
14 .0
GBP
|
21,200,000
GBP
|
| Miscellaneous non-current assets [abstract] | ||
| Non-current finance lease receivables |
1 87. 5
GBP
|
191,500,000
GBP
|
| Non-current investments other than investments accounted for using equity method |
1 2 .1
GBP
|
12,300,000
GBP
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
34,300,000
GBP
|
36,200,000
GBP
|
| Classes of current inventories [abstract] | ||
| Current inventories |
1 0.9
GBP
|
11,000,000
GBP
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
42 .8
GBP
|
63,400,000
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 |
–
GBP
|
3 8 .1
GBP
|
| Miscellaneous current assets [abstract] | ||
| Current finance lease receivables |
13,700,000
GBP
|
13,200,000
GBP
|
| Trade and other non-current payables [abstract] | ||
| Trade and other non-current payables |
0 . 2
GBP
|
300,000
GBP
|
| Trade and other current payables [abstract] | ||
| Trade and other current payables |
9 6 .1
GBP
|
90 .0
GBP
|
| Categories of non-current financial liabilities [abstract] | ||
| Non-current financial liabilities |
242,500,000
GBP
|
2 4 3.6
GBP
|
| Issued capital [abstract] | ||
| Issued capital |
2,300,000
GBP
|
2,400,000
GBP
|
| Retained earnings [abstract] | ||
| Retained earnings |
1 0 5 . 4
GBP
|
4 8 . 2
GBP
|
| Accumulated other comprehensive income [abstract] | ||
| Reserve of exchange differences on translation |
1 . 0
GBP
|
9,700,000
GBP
|
| Miscellaneous equity [abstract] | ||
| Capital redemption reserve |
500,000
GBP
|
500,000
GBP
|
| Capital reserve |
4 . 6
GBP
|
3 . 4
GBP
|
| Net assets (liabilities) [abstract] | ||
| Assets |
52 2 .0
GBP
|
592 .2
GBP
|
| Liabilities |
5 8 0. 6
GBP
|
60 1 .0
GBP
|
| Assets (liabilities) |
5 8 .6
GBP
|
8 . 8
GBP
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
1 0 7. 1
GBP
|
1 6 7. 1
GBP
|
| Current liabilities |
117 .8
GBP
|
1 31 .7
GBP
|
| Assets less current liabilities [abstract] |