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 |
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 |
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 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of effect of changes in foreign exchange rates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reserve of exchange differences on translation |
11,600,000
GBP
|
— | — | — | — | — | — | — | — | — |
3,100,000
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 |
157,200,000
GBP
|
— | — | — | — | — | — | — | — | — |
128,900,000
GBP
|
— | — | — | — | — |
| Current assets |
1,412,800,000
GBP
|
— | — | — | — | — | — | — | — | — |
479,800,000
GBP
|
— | — | — | — | — |
| Non-current liabilities |
118,100,000
GBP
|
— | — | — | — | — | — | — | — | — |
141,000,000
GBP
|
— | — | — | — | — |
| Current liabilities |
378,200,000
GBP
|
— | — | — | — | — | — | — | — | — |
292,600,000
GBP
|
— | — | — | — | — |
| Revenue | — | — | — | — | — | — |
1,824,400,000
GBP
|
— | — | — | — |
1,163,000,000
GBP
|
— | — | — | — |
| Profit (loss) from continuing operations | — | — | — | — | — | — |
303,700,000
GBP
|
— | — | — | — |
208,400,000
GBP
|
— | — | — | — |
| Profit (loss) from discontinued operations | — | — | — | — | — | — |
4,800,000
GBP
|
— | — | — | — |
18,000,000
GBP
|
— | — | — | — |
| Profit (loss) | — |
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
308,500,000
GBP
|
308,500,000
GBP
|
226,400,000
GBP
|
—
GBP
|
— |
226,400,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
| Other comprehensive income | — |
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
8,500,000
GBP
|
8,500,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
— |
3,300,000
GBP
|
3,300,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
| Comprehensive income | — |
—
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
8,500,000
GBP
|
317,000,000
GBP
|
308,500,000
GBP
|
226,400,000
GBP
|
—
GBP
|
— |
223,100,000
GBP
|
3,300,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|