Disclosure Of Effect Of Changes In Foreign Exchange Rates [Text Block]
| 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 |
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 |
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] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reserve of exchange differences on translation | — | — | — | — |
32,000,000
GBP
|
— | — | — | — |
9,200,000
GBP
|
— | — | — | — | — | — | — | — |
| 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 | — | — | — | — |
434,700,000
GBP
|
— | — | — | — |
441,500,000
GBP
|
— | — | — | — | — | — | — | — |
| Current assets | — | — | — | — |
754,300,000
GBP
|
— | — | — | — |
729,600,000
GBP
|
— | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — |
482,000,000
GBP
|
— | — | — | — |
497,100,000
GBP
|
— | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — |
205,100,000
GBP
|
— | — | — | — |
228,800,000
GBP
|
— | — | — | — | — | — | — | — |
| Revenue | — | — | — |
767,800,000
GBP
|
— | — | — | — | — | — | — | — | — |
645,500,000
GBP
|
— | — | — | — |
| Profit (loss) |
–
GBP
|
–
GBP
|
–
GBP
|
48. 0
GBP
|
— |
–
GBP
|
48,000,000
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
56,800,000
GBP
|
–
GBP
|
–
GBP
|
56,800,000
GBP
|
–
GBP
|
| Other comprehensive income |
–
GBP
|
–
GBP
|
–
GBP
|
25,800,000
GBP
|
— |
100,000
GBP
|
2,900,000
GBP
|
–
GBP
|
22,800,000
GBP
|
— |
–
GBP
|
1,500,000
GBP
|
–
GBP
|
37,400,000
GBP
|
–
GBP
|
–
GBP
|
2,900,000
GBP
|
41,800,000
GBP
|
| Comprehensive income |
–
GBP
|
–
GBP
|
–
GBP
|
73,800,000
GBP
|
— |
0. 1
GBP
|
50,900,000
GBP
|
–
GBP
|
22,800,000
GBP
|
— |
–
GBP
|
1,500,000
GBP
|
–
GBP
|
94,200,000
GBP
|
–
GBP
|
–
GBP
|
53,900,000
GBP
|
41,800,000
GBP
|