Disclosure Of Effect Of Changes In Foreign Exchange Rates [Text Block]
| Concept |
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 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of effect of changes in foreign exchange rates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reserve of exchange differences on translation |
9,200,000
GBP
|
— | — | — | — | — | — | — | — |
32,600,000
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 |
441,500,000
GBP
|
— | — | — | — | — | — | — | — |
374,700,000
GBP
|
— | — | — | — | — | — | — | — |
| Current assets |
729,600,000
GBP
|
— | — | — | — | — | — | — | — |
624,600,000
GBP
|
— | — | — | — | — | — | — | — |
| Non-current liabilities |
497,100,000
GBP
|
— | — | — | — | — | — | — | — |
488,700,000
GBP
|
— | — | — | — | — | — | — | — |
| Current liabilities |
228,800,000
GBP
|
— | — | — | — | — | — | — | — |
143,500,000
GBP
|
— | — | — | — | — | — | — | — |
| Revenue | — | — | — | — | — |
645,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
548,700,000
GBP
|
— |
| Profit (loss) | — |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
56,800,000
GBP
|
–
GBP
|
56,800,000
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
41,900,000
GBP
|
41,900,000
GBP
|
| Other comprehensive income | — |
1,500,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
37,400,000
GBP
|
–
GBP
|
2,900,000
GBP
|
41,800,000
GBP
|
— |
37,600,000
GBP
|
700,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
36,300,000
GBP
|
600,000
GBP
|
| Comprehensive income | — |
1,500,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
94,200,000
GBP
|
–
GBP
|
53,900,000
GBP
|
41,800,000
GBP
|
— |
37,600,000
GBP
|
700,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
5,600,000
GBP
|
42,500,000
GBP
|