Analysis Of Income And Expense [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2022-12-26 to 2023-12-31 |
2022-12-26 to 2023-12-31 |
2022-12-26 to 2023-12-31 |
2022-12-26 to 2023-12-31 |
2022-12-26 to 2023-12-31 |
2022-12-26 to 2023-12-31 |
2022-12-26 to 2023-12-31 |
2022-12-26 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||
| Revenue [abstract] | ||||||||||||||||
| Interest income |
200,000
GBP
|
— | — | — | — |
-
GBP
|
200,000
GBP
|
— | — | — | — | — | — |
–
GBP
|
1,000,000
GBP
|
1,000,000
GBP
|
| Revenue |
538,600,000
GBP
|
— | — | — | — |
-
GBP
|
538,600,000
GBP
|
— | — | — | — | — | — |
–
GBP
|
568,600,000
GBP
|
568,600,000
GBP
|
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||
| Share of profit (loss) of associates accounted for using equity method |
1,500,000
GBP
|
— | — | — | — |
1,300,000
GBP
|
2,800,000
GBP
|
— | — | — | — | — | — |
1 .5
GBP
|
2,900,000
GBP
|
1,400,000
GBP
|
| Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax [abstract] | ||||||||||||||||
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, net of tax |
-
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
400,000
GBP
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income |
62,200,000
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
— | — |
62,200,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
21,500,000
GBP
|
— | — |
21,500,000
GBP
|