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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
288,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
290,300,000
GBP
|
— | — | — | — | — |
| Current assets |
543,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
391,800,000
GBP
|
— | — | — | — | — |
| Non-current liabilities |
52,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
63,200,000
GBP
|
— | — | — | — | — |
| Current liabilities |
366,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
257 .3
GBP
|
— | — | — | — | — |
| Revenue | — | — | — | — |
603,800,000
GBP
|
–
GBP
|
603,800,000
GBP
|
— | — |
443,300,000
GBP
|
— |
–
GBP
|
— | — | — | — |
443,300,000
GBP
|
— |
| Profit (loss) | — |
–
GBP
|
7 5.6
GBP
|
–
GBP
|
79. 6
GBP
|
700,000
GBP
|
80,300,000
GBP
|
75,600,000
GBP
|
4 .0
GBP
|
54,700,000
GBP
|
4,300,000
GBP
|
300,000
GBP
|
— |
–
GBP
|
–
GBP
|
5 0 .1
GBP
|
54,400,000
GBP
|
5 0 .1
GBP
|
| Other comprehensive income | — |
–
GBP
|
2,400,000
GBP
|
7. 9
GBP
|
2,400,000
GBP
|
— | — |
5,500,000
GBP
|
–
GBP
|
— |
–
GBP
|
— | — |
2,700,000
GBP
|
–
GBP
|
2,800,000
GBP
|
2,800,000
GBP
|
5,500,000
GBP
|
| Comprehensive income | — |
–
GBP
|
7 8.0
GBP
|
7. 9
GBP
|
82,000,000
GBP
|
— | — |
70,100,000
GBP
|
4 .0
GBP
|
— |
4,300,000
GBP
|
— | — |
2,700,000
GBP
|
–
GBP
|
52,900,000
GBP
|
5 7. 2
GBP
|
55,600,000
GBP
|