Statement Of Cash Flows [Abstract]
| Concept |
2022-12-26 to 2023-12-31 |
2021-12-27 to 2022-12-25 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Adjustments for decrease (increase) in trade and other receivables |
5,200,000
GBP
|
13,300,000
GBP
|
| Adjustments for increase (decrease) in trade and other payables |
15,200,000
GBP
|
3,600,000
GBP
|
| Adjustments for gain (loss) on disposals, property, plant and equipment |
2,300,000
GBP
|
–
GBP
|
| Adjustments for undistributed profits of investments accounted for using equity method |
2,000,000
GBP
|
6,600,000
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Proceeds from exercise of options |
500,000
GBP
|
1,600,000
GBP
|