Disclosure Of Effect Of Changes In Foreign Exchange Rates [Text Block]
| Concept |
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 |
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 |
2020-01-01 to 2020-12-31 |
As at 2020-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of effect of changes in foreign exchange rates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reserve of exchange differences on translation |
800,000
GBP
|
— | — | — | — | — | — |
800,000
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 |
383,400,000
GBP
|
— | — | — | — | — | — |
387,500,000
GBP
|
— | — | — | — |
402,200,000
GBP
|
| Current assets |
1,324,200,000
GBP
|
— | — | — | — | — | — |
1,101,100,000
GBP
|
— | — | — | — |
1,051,800,000
GBP
|
| Non-current liabilities |
106,500,000
GBP
|
— | — | — | — | — | — |
79,700,000
GBP
|
— | — | — | — |
80,600,000
GBP
|
| Current liabilities |
1,126,900,000
GBP
|
— | — | — | — | — | — |
988,800,000
GBP
|
— | — | — | — |
986,500,000
GBP
|
| Revenue | — | — | — | — |
3,212,800,000
GBP
|
— | — | — | — |
3,034,000,000
GBP
|
— | — | — |
| Profit (loss) | — |
–
GBP
|
–
GBP
|
–
GBP
|
97,900,000
GBP
|
97,900,000
GBP
|
45,400,000
GBP
|
— |
–
GBP
|
45,400,000
GBP
|
–
GBP
|
–
GBP
|
— |
| Other comprehensive income | — |
–
GBP
|
200,000
GBP
|
–
GBP
|
200,000
GBP
|
–
GBP
|
— | — | — |
–
GBP
|
— | — | — |
| Comprehensive income | — |
–
GBP
|
200,000
GBP
|
–
GBP
|
97,700,000
GBP
|
97,900,000
GBP
|
45,400,000
GBP
|
— |
–
GBP
|
45,400,000
GBP
|
–
GBP
|
–
GBP
|
— |