Analysis Of Income And Expense [Abstract]
| Concept |
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 |
2022-12-26 to 2023-12-31 |
2021-12-27 to 2022-12-25 |
2021-12-27 to 2022-12-25 |
2021-12-27 to 2022-12-25 |
2021-12-27 to 2022-12-25 |
2021-12-27 to 2022-12-25 |
2021-12-27 to 2022-12-25 |
2021-12-27 to 2022-12-25 |
2021-12-27 to 2022-12-25 |
2021-12-27 to 2022-12-25 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||
| Revenue | — | — | — | — | — | — |
679,800,000
GBP
|
–
GBP
|
679,800,000
GBP
|
–
GBP
|
— |
600,300,000
GBP
|
600,300,000
GBP
|
— | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — | — | — | — | — |
2,000,000
GBP
|
–
GBP
|
2,000,000
GBP
|
–
GBP
|
— |
6,600,000
GBP
|
6,600,000
GBP
|
— | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income |
–
GBP
|
–
GBP
|
–
GBP
|
3,100,000
GBP
|
–
GBP
|
115,000,000
GBP
|
111,900,000
GBP
|
— | — | — |
1,500,000
GBP
|
83,100,000
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
81,600,000
GBP
|