Statement Of Cash Flows [Abstract]
| Concept |
2021-12-27 to 2022-12-25 |
2020-12-28 to 2021-12-26 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Adjustments for decrease (increase) in trade and other receivables |
13,300,000
GBP
|
6,700,000
GBP
|
| Adjustments for increase (decrease) in trade and other payables |
3. 6
GBP
|
4 .4
GBP
|
| Adjustments for gain (loss) on disposal of investments in subsidiaries, joint ventures and associates |
2 .1
GBP
|
8,400,000
GBP
|
| Adjustments for undistributed profits of investments accounted for using equity method |
6 .6
GBP
|
1 1.0
GBP
|
| Cash flows from (used in) investing activities [abstract] | ||
| Purchase of interests in associates |
—
GBP
|
6 .6
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Proceeds from exercise of options |
1,600,000
GBP
|
0 .4
GBP
|