Disclosure Of Interests In Other Entities [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 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of interests in other entities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of interests in subsidiaries [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [abstract] | |||||||||||||||||
| Disclosure of subsidiaries [line items] | |||||||||||||||||
| Current assets |
1,412,800,000
GBP
|
— | — | — | — | — | — | — | — | — |
479,800,000
GBP
|
— | — | — | — | — | — |
| Non-current assets |
157,200,000
GBP
|
— | — | — | — | — | — | — | — | — |
128,900,000
GBP
|
— | — | — | — | — | — |
| Current liabilities |
378,200,000
GBP
|
— | — | — | — | — | — | — | — | — |
292,600,000
GBP
|
— | — | — | — | — | — |
| Non-current liabilities |
118,100,000
GBP
|
— | — | — | — | — | — | — | — | — |
141,000,000
GBP
|
— | — | — | — | — | — |
| Revenue | — | — | — | — | — | — |
1,824,400,000
GBP
|
— | — | — | — |
1,163,000,000
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
|
— |
| 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
|
— |
| Disclosure of interests in associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [abstract] | |||||||||||||||||
| Disclosure of associates [line items] | |||||||||||||||||
| 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
|
— | — | — | — | — |
| 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
|
— |
| Investments accounted for using equity method |
2,900,000
GBP
|
— | — | — | — | — | — | — | — | — |
—
GBP
|
— | — | — | — | — | — |
| Disclosure of interests in joint arrangements [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of joint ventures [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of joint ventures [abstract] | |||||||||||||||||
| Disclosure of joint ventures [line items] | |||||||||||||||||
| Cash and cash equivalents |
1,290,900,000
GBP
|
— | — | — | — | — | — | — | — | — |
379,100,000
GBP
|
— | — | — | — | — |
229,800,000
GBP
|
| Tax expense (income) | — | — | — | — | — | — |
5,500,000
GBP
|
— | — | — | — |
4,200,000
GBP
|
— | — | — | — | — |