Disclosure Of Effect Of Changes In Foreign Exchange Rates [Text Block]
| Concept |
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 |
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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — |
166,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
186,100,000
GBP
|
— | — | — |
| Current assets | — | — | — | — |
306,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
281,300,000
GBP
|
— | — | — |
| Non-current liabilities | — | — | — | — |
49,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
54,300,000
GBP
|
— | — | — |
| Current liabilities | — | — | — | — |
191,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
193,100,000
GBP
|
— | — | — |
| Revenue | — |
667,200,000
GBP
|
–
GBP
|
— | — | — | — | — | — |
667,200,000
GBP
|
— |
578,100,000
GBP
|
— | — |
578,100,000
GBP
|
–
GBP
|
— | — | — | — | — | — |
| Profit (loss) from continuing operations | — |
26,600,000
GBP
|
6,700,000
GBP
|
— | — | — | — | — | — |
19,900,000
GBP
|
— |
17,400,000
GBP
|
— | — |
11,600,000
GBP
|
29,000,000
GBP
|
— | — | — | — | — | — |
| Profit (loss) from discontinued operations | — |
100,000
GBP
|
4,400,000
GBP
|
— | — | — | — | — | — |
4,500,000
GBP
|
— |
2,900,000
GBP
|
— | — |
400,000
GBP
|
3,300,000
GBP
|
— | — | — | — | — | — |
| Other comprehensive income |
–
GBP
|
— | — |
–
GBP
|
— |
–
GBP
|
–
GBP
|
6,000,000
GBP
|
–
GBP
|
7,800,000
GBP
|
1,800,000
GBP
|
700,000
GBP
|
–
GBP
|
–
GBP
|
— | — |
200,000
GBP
|
–
GBP
|
— |
900,000
GBP
|
–
GBP
|
–
GBP
|
| Comprehensive income |
–
GBP
|
— | — |
–
GBP
|
— |
–
GBP
|
–
GBP
|
6,000,000
GBP
|
–
GBP
|
16,600,000
GBP
|
22,600,000
GBP
|
19,600,000
GBP
|
–
GBP
|
–
GBP
|
— | — |
20,500,000
GBP
|
–
GBP
|
— |
900,000
GBP
|
–
GBP
|
–
GBP
|