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 |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||
| Profit (loss) |
4,300,000
GBP
|
69,100,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
64,800,000
GBP
|
64,800,000
GBP
|
–
GBP
|
70,700,000
GBP
|
70,700,000
GBP
|
–
GBP
|
–
GBP
|
| Other comprehensive income [abstract] | ||||||||||||
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations | — |
10,600,000
GBP
|
— | — | — | — | — | — |
5,800,000
GBP
|
— | — | — |
| Cost of hedging [abstract] | ||||||||||||
| Change in value of forward elements of forward contracts [abstract] | ||||||||||||
| Gains (losses) on change in value of forward elements of forward contracts, before tax | — |
14,000,000
GBP
|
— | — | — | — | — | — |
8,600,000
GBP
|
— | — | — |
| Reclassification adjustments on change in value of forward elements of forward contracts, before tax | — |
300,000
GBP
|
— | — | — | — | — | — |
1,300,000
GBP
|
— | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||||
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — |
3,300,000
GBP
|
— | — | — | — | — | — |
2,200,000
GBP
|
— | — | — |
| Other comprehensive income |
3,100,000
GBP
|
21,500,000
GBP
|
–
GBP
|
–
GBP
|
21,600,000
GBP
|
3,200,000
GBP
|
18,400,000
GBP
|
–
GBP
|
2,000,000
GBP
|
2,200,000
GBP
|
–
GBP
|
4,200,000
GBP
|
| Comprehensive income |
7,400,000
GBP
|
90,600,000
GBP
|
–
GBP
|
–
GBP
|
21,600,000
GBP
|
61,600,000
GBP
|
83,200,000
GBP
|
–
GBP
|
72,700,000
GBP
|
68,500,000
GBP
|
–
GBP
|
4,200,000
GBP
|
| Comprehensive income attributable to [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent | — |
83,200,000
GBP
|
— | — | — | — | — | — |
72,700,000
GBP
|
— | — | — |
| Comprehensive income, attributable to non-controlling interests | — |
7,400,000
GBP
|
— | — | — | — | — | — |
–
GBP
|
— | — | — |