Profit Or Loss [Abstract]
| Concept |
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 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | |||||||||||||||||
| Profit (loss) [abstract] | |||||||||||||||||
| Revenue | — |
639,400,000
GBP
|
639,400,000
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — |
603 . 8
GBP
|
603 . 8
GBP
|
–
GBP
|
— | — |
| Impairment loss (reversal of impairment loss) recognised in profit or loss | — |
3. 9
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
5 . 8
GBP
|
— | — | — |
| Profit (loss) from operating activities | — |
99. 8
GBP
|
100. 2
GBP
|
2 .6
GBP
|
2,200,000
GBP
|
— | — | — | — | — | — | — |
1 00. 8
GBP
|
1 00.0
GBP
|
0 . 8
GBP
|
— | — |
| Finance income | — |
10. 5
GBP
|
10. 5
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — |
1,900,000
GBP
|
1,900,000
GBP
|
–
GBP
|
— | — |
| Finance costs | — |
2. 2
GBP
|
2 . 2
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — |
2 . 2
GBP
|
2 . 2
GBP
|
–
GBP
|
— | — |
| Profit (loss) before tax | — |
10 8.8
GBP
|
1 09.2
GBP
|
2 .6
GBP
|
2,200,000
GBP
|
— | — | — | — | — | — | — |
100,900,000
GBP
|
1 00.1
GBP
|
0 . 8
GBP
|
— | — |
| Tax expense (income) | — |
2 3 . 0
GBP
|
23 . 4
GBP
|
100,000
GBP
|
0. 3
GBP
|
— | — | — | — | — | — | — |
2 0. 6
GBP
|
20,500,000
GBP
|
0 .1
GBP
|
— | — |
| Profit (loss) |
–
GBP
|
85. 8
GBP
|
85. 8
GBP
|
2. 5
GBP
|
2,500,000
GBP
|
2 .0
GBP
|
83,800,000
GBP
|
83 .8
GBP
|
–
GBP
|
–
GBP
|
75 .6
GBP
|
–
GBP
|
80. 3
GBP
|
79 .6
GBP
|
0 . 7
GBP
|
75 .6
GBP
|
4,000,000
GBP
|
| Profit (loss), attributable to [abstract] | |||||||||||||||||
| Profit (loss), attributable to owners of parent | — |
83. 8
GBP
|
83,800,000
GBP
|
2 . 5
GBP
|
2,500,000
GBP
|
— | — | — | — | — | — | — |
76 . 3
GBP
|
75 .6
GBP
|
0 . 7
GBP
|
— | — |
| Profit (loss), attributable to non-controlling interests | — |
2 .0
GBP
|
2 .0
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — |
4 .0
GBP
|
4 .0
GBP
|
–
GBP
|
— | — |
| Earnings per share [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Earnings per share [abstract] | |||||||||||||||||
| Earnings per share [line items] | |||||||||||||||||
| Basic earnings per share [abstract] | |||||||||||||||||
| Basic earnings (loss) per share | — |
275 . 2
|
275 .0
|
— | — | — | — | — | — | — | — | — |
250. 3
|
2 4 7. 9
|
— | — | — |
| Diluted earnings per share [abstract] | |||||||||||||||||
| Diluted earnings (loss) per share | — |
273. 6
|
273 . 5
|
— | — | — | — | — | — | — | — | — |
24 8 . 5
|
24 6 .1
|
— | — | — |