Disclosure Of Effect Of Changes In Foreign Exchange Rates [Text Block]
| Concept |
2023-01-01 to 2023-12-31 |
As at 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 |
As at 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 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of effect of changes in foreign exchange rates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of information when currency is not exchangeable into another currency [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of information when foreign operation’s functional currency is not exchangeable into presentation currency [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of summarised financial information about foreign operation [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of summarised financial information about foreign operation [abstract] | |||||||||||||||||||
| Disclosure of summarised financial information about foreign operation [line items] | |||||||||||||||||||
| Non-current assets | — |
284,600,000
GBP
|
— | — | — | — | — | — | — | — |
28 8.9
GBP
|
— | — | — | — | — | — | — | — |
| Current assets | — |
591,000,000
GBP
|
— | — | — | — | — | — | — | — |
543. 4
GBP
|
— | — | — | — | — | — | — | — |
| Non-current liabilities | — |
4 7. 7
GBP
|
— | — | — | — | — | — | — | — |
52 . 9
GBP
|
— | — | — | — | — | — | — | — |
| Current liabilities | — |
37 1. 3
GBP
|
— | — | — | — | — | — | — | — |
36 6 . 2
GBP
|
— | — | — | — | — | — | — | — |
| Revenue |
639,400,000
GBP
|
— | — | — |
639,400,000
GBP
|
— |
–
GBP
|
–
GBP
|
— | — | — | — | — |
603 . 8
GBP
|
— | — |
603 . 8
GBP
|
–
GBP
|
— |
| Profit (loss) |
85. 8
GBP
|
— |
83 .8
GBP
|
–
GBP
|
85. 8
GBP
|
2 .0
GBP
|
2,500,000
GBP
|
2. 5
GBP
|
83,800,000
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
79 .6
GBP
|
75 .6
GBP
|
4,000,000
GBP
|
80. 3
GBP
|
0 . 7
GBP
|
75 .6
GBP
|
| Other comprehensive income |
11 .3
GBP
|
— |
11 .0
GBP
|
9. 4
GBP
|
— |
0 . 3
GBP
|
— | — |
1. 6
GBP
|
–
GBP
|
— |
–
GBP
|
7. 9
GBP
|
2,400,000
GBP
|
5 . 5
GBP
|
–
GBP
|
— | — |
2,400,000
GBP
|
| Comprehensive income |
74 . 5
GBP
|
— |
72 .8
GBP
|
9. 4
GBP
|
— |
1,700,000
GBP
|
— | — |
82 . 2
GBP
|
–
GBP
|
— |
–
GBP
|
7. 9
GBP
|
82,000,000
GBP
|
70,100,000
GBP
|
4,000,000
GBP
|
— | — |
78 .0
GBP
|