Statement Of Cash Flows [Abstract]
| Concept |
2023-12-31 to 2024-12-28 |
2023-12-31 to 2024-12-28 |
2023-12-31 to 2024-12-28 |
As at 2024-12-28 |
2023-12-31 to 2024-12-28 |
2023-01-01 to 2023-12-30 |
2023-01-01 to 2023-12-30 |
2023-01-01 to 2023-12-30 |
As at 2023-12-30 |
2023-01-01 to 2023-12-30 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||
| Profit (loss) |
-
GBP
|
-
GBP
|
3,600,000
GBP
|
— |
3,600,000
GBP
|
-
GBP
|
2,700,000
GBP
|
2,700,000
GBP
|
— |
-
GBP
|
— |
| Cash flows from (used in) operating activities | — | — |
5,500,000
GBP
|
— | — | — | — |
4,400,000
GBP
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||
| Purchase of property, plant and equipment, classified as investing activities | — | — |
100,000
GBP
|
— | — | — | — |
400,000
GBP
|
— | — | — |
| Purchase of intangible assets, classified as investing activities | — | — |
2,400,000
GBP
|
— | — | — | — |
1,700,000
GBP
|
— | — | — |
| Interest received, classified as investing activities | — | — |
400,000
GBP
|
— | — | — | — |
700,000
GBP
|
— | — | — |
| Cash flows from (used in) investing activities | — | — |
2,600,000
GBP
|
— | — | — | — |
17,300,000
GBP
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||
| Repayments of borrowings, classified as financing activities | — | — |
-
GBP
|
— | — | — | — |
1,000,000
GBP
|
— | — | — |
| Payments of lease liabilities, classified as financing activities | — | — |
600,000
GBP
|
— | — | — | — |
800,000
GBP
|
— | — | — |
| Dividends paid, classified as financing activities | — | — |
2,000,000
GBP
|
— | — | — | — |
1,400,000
GBP
|
— | — | — |
| Interest paid, classified as financing activities | — | — |
-
GBP
|
— | — | — | — |
100,000
GBP
|
— | — | — |
| Cash flows from (used in) financing activities | — | — |
2,700,000
GBP
|
— | — | — | — |
3,400,000
GBP
|
— | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — |
500,000
GBP
|
— | — | — | — |
16,600,000
GBP
|
— | — | — |
| Cash and cash equivalents | — | — | — |
10,900,000
GBP
|
— | — | — | — |
10,700,000
GBP
|
— |
27,000,000
GBP
|