Statement Of Comprehensive Income [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 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Statement of comprehensive income [abstract] | ||||||||||||
Profit (loss) |
-
GBP
|
53,600,000
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
53,600,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
21,500,000
GBP
|
21,500,000
GBP
|
Other comprehensive income [abstract] | ||||||||||||
Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||||||||
Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — |
11,400,000
GBP
|
— | — | — | — | — | — | — | — | — |
500,000
GBP
|
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||
Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — |
2,800,000
GBP
|
— | — | — | — | — | — | — | — | — |
100,000
GBP
|
Other comprehensive income |
-
GBP
|
8,600,000
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
8,600,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
Comprehensive income |
-
GBP
|
62,200,000
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
62,200,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
21,500,000
GBP
|
21,500,000
GBP
|