Disclosure Of Earnings Per Share [Text Block]
| Concept |
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 |
|---|---|---|---|---|---|---|---|
| Disclosure of earnings per share [text block] | — | — | — | — | — | — | — |
| Earnings per share [text block] | — | — | — | — | — | — | — |
| Earnings per share [abstract] | |||||||
| Earnings per share [line items] | |||||||
| Basic earnings per share [abstract] | |||||||
| Basic earnings (loss) per share | — |
165.6
|
164.6
|
95.2
|
— |
106.0
|
— |
| Diluted earnings per share [abstract] | |||||||
| Diluted earnings (loss) per share | — |
164.2
|
163.2
|
95.2
|
— |
105.8
|
— |
| Adjustments to reconcile profit (loss) to numerator used in calculating earnings per share [abstract] | |||||||
| Profit (loss), attributable to owners of parent |
300,000
GBP
|
50,400,000
GBP
|
5 0 .1
GBP
|
28,900,000
GBP
|
60,600,000
GBP
|
32. 1
GBP
|
400,000
GBP
|
| Disclosure of depositary receipts [text block] | — | — | — | — | — | — | — |
| Disclosure of depositary receipts [abstract] | |||||||
| Disclosure of depositary receipts [line items] |