Statement Of Financial Position [Abstract]
| Concept |
As at 2022-01-02 |
As at 2022-01-02 |
As at 2022-01-02 |
As at 2022-01-02 |
As at 2022-01-02 |
As at 2022-01-02 |
As at 2022-01-02 |
As at 2022-01-02 |
As at 2022-01-02 |
As at 2022-01-02 |
As at 2022-01-02 |
As at 2021-01-03 |
As at 2021-01-03 |
As at 2021-01-03 |
As at 2021-01-03 |
As at 2021-01-03 |
As at 2021-01-03 |
As at 2021-01-03 |
As at 2021-01-03 |
As at 2021-01-03 |
As at 2021-01-03 |
As at 2021-01-03 |
As at 2019-12-29 |
As at 2019-12-29 |
As at 2019-12-29 |
As at 2019-12-29 |
As at 2019-12-29 |
As at 2019-12-29 |
As at 2019-12-29 |
As at 2019-12-29 |
As at 2019-12-29 |
As at 2019-12-29 |
As at 2019-12-29 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — |
2 9 1, 4 8 8
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
29 0,8 4 6
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — |
222,004,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
235, 1 35
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — |
5,5 39
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
12 , 6 2 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other non-current receivables | — | — | — | — |
2, 23 9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — |
6 ,952
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
6 , 219
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — |
6 33, 9 97
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
6 14 , 8 9 3
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||||||||
| Current inventories | — | — | — | — |
15 6 , 517
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
11 6 , 9 4 1
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables | — | — | — | — |
23 0,3 88
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
19 9 ,6 4 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — | — |
5 , 2 12
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets | — | — | — | — |
1,140,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — |
1 4 0 ,17 0
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
1 23,81 6
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
11 0 , 5 1 4
GBP
|
— | — | — |
| Current assets | — | — | — | — |
5 33 ,427
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
4 4 0,3 99
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — |
1 ,1 6 7, 4 2 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
1 ,055,292
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — |
8,8 93
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
8 ,1 9 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — |
17 6 , 4 4 9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
16 1, 6 0 7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — |
14 2 , 0 4 3
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
6 5, 6 19
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — | — |
87,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — |
3 01 , 4 01
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
215 , 3 8 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — |
6,54 8
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
6,5 56
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
6,548,000
GBP
|
31,700,000
GBP
|
2,106,000
GBP
|
301,401,000
GBP
|
3 0 7, 9 4 9
GBP
|
8,89 3
GBP
|
919,000
GBP
|
14 2 , 0 4 3
GBP
|
87,000
GBP
|
6,990,000
GBP
|
176,449,000
GBP
|
6 ,1 2 3
GBP
|
6 5 , 6 19
GBP
|
–
GBP
|
8 ,1 9 4
GBP
|
215 , 3 8 2
GBP
|
4,6 20
GBP
|
2 2 1, 9 3 8
GBP
|
6,5 56
GBP
|
31, 7 0 0
GBP
|
16 1, 6 0 7
GBP
|
919,000
GBP
|
8 ,17 3
GBP
|
–
GBP
|
6 4 , 2 51
GBP
|
255,000
GBP
|
4,139,000
GBP
|
5 , 7 11
GBP
|
186,229,000
GBP
|
19 1, 9 4 0
GBP
|
1 4 0 ,1 9 2
GBP
|
9 19
GBP
|
3 1,7 0 0
GBP
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — |
4 ,1 3 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
2,3 8 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — |
2 3 3 ,1 0 9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
4 5 0,9 25
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||||||||||||||
| Trade and other current payables | — | — | — | — |
387,215,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
33 2,3 5 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — |
626, 36 6
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
382, 429
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — |
8 5 9 ,47 5
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
8 33,3 54
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — |
1 ,1 6 7, 4 2 4
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
1 ,055,292
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |