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 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||
| Profit (loss) |
–
GBP
|
147 .0
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
147 .0
GBP
|
–
GBP
|
–
GBP
|
78. 1
GBP
|
–
GBP
|
78. 1
GBP
|
–
GBP
|
–
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||||
| Cash flow hedges [abstract] | ||||||||||||||
| Reclassification adjustments on cash flow hedges, before tax | — |
4,600,000
GBP
|
— | — | — | — | — | — | — |
4,200,000
GBP
|
— | — | — | — |
| Other comprehensive income, before tax, cash flow hedges | — |
1,200,000
GBP
|
— | — | — | — | — | — | — |
2 .9
GBP
|
— | — | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||||||
| Income tax relating to cash flow hedges included in other comprehensive income | — |
0 .9
GBP
|
— | — | — | — | — | — | — |
300,000
GBP
|
— | — | — | — |
| Other comprehensive income |
–
GBP
|
6,300,000
GBP
|
–
GBP
|
–
GBP
|
2 .5
GBP
|
3,500,000
GBP
|
300,000
GBP
|
–
GBP
|
–
GBP
|
13. 1
GBP
|
1,000,000
GBP
|
0 .1
GBP
|
–
GBP
|
12,200,000
GBP
|
| Comprehensive income |
–
GBP
|
153,300,000
GBP
|
–
GBP
|
–
GBP
|
2 .5
GBP
|
3,500,000
GBP
|
147 .3
GBP
|
–
GBP
|
–
GBP
|
91,200,000
GBP
|
1,000,000
GBP
|
78,000,000
GBP
|
–
GBP
|
12 .2
GBP
|
| Comprehensive income attributable to [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — |
153,300,000
GBP
|
— | — | — | — | — | — | — |
91,200,000
GBP
|
— | — | — | — |