Profit Or Loss [Abstract]
| 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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||||||||||
| Profit (loss) [abstract] | ||||||||||||||
| Revenue | — | — | — | — | — |
1,824,400,000
GBP
|
— | — | — |
1,163,000,000
GBP
|
— | — | — | — |
| Cost of sales | — | — | — | — | — |
1,327,100,000
GBP
|
— | — | — |
815,300,000
GBP
|
— | — | — | — |
| Gross profit | — | — | — | — | — |
497,300,000
GBP
|
— | — | — |
347,700,000
GBP
|
— | — | — | — |
| Other income | — | — | — | — | — |
3,100,000
GBP
|
— | — | — |
4,000,000
GBP
|
— | — | — | — |
| Administrative expenses | — | — | — | — | — |
785,900,000
GBP
|
— | — | — |
548,000,000
GBP
|
— | — | — | — |
| Other expense, by function | — | — | — | — | — |
18,800,000
GBP
|
— | — | — |
12,500,000
GBP
|
— | — | — | — |
| Profit (loss) from operating activities | — | — | — | — | — |
304,300,000
GBP
|
— | — | — |
208,800,000
GBP
|
— | — | — | — |
| Finance income | — | — | — | — | — |
7,300,000
GBP
|
— | — | — |
900,000
GBP
|
— | — | — | — |
| Finance costs | — | — | — | — | — |
1,200,000
GBP
|
— | — | — |
4,700,000
GBP
|
— | — | — | — |
| Profit (loss) before tax | — | — | — | — | — |
298,200,000
GBP
|
— | — | — |
212,600,000
GBP
|
— | — | — | — |
| Tax expense (income) | — | — | — | — | — |
5,500,000
GBP
|
— | — | — |
4,200,000
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
|
| Profit (loss), attributable to [abstract] | ||||||||||||||
| Profit (loss), attributable to owners of parent | — | — | — | — | — |
308,500,000
GBP
|
— | — | — |
226,400,000
GBP
|
— | — | — | — |
| Earnings per share [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Earnings per share [abstract] | ||||||||||||||
| Earnings per share [line items] | ||||||||||||||
| Basic earnings per share [abstract] | ||||||||||||||
| Basic earnings (loss) per share from continuing operations | — | — | — | — | — |
0.00
|
— | — | — |
0.00
|
— | — | — | — |
| Basic earnings (loss) per share | — | — | — | — | — |
0.00
|
— | — | — |
0.00
|
— | — | — | — |
| Diluted earnings per share [abstract] | ||||||||||||||
| Diluted earnings (loss) per share from continuing operations | — | — | — | — | — |
0.00
|
— | — | — |
0.00
|
— | — | — | — |
| Diluted earnings (loss) per share | — | — | — | — | — |
0.00
|
— | — | — |
0.00
|
— | — | — | — |