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 |
|---|---|---|---|---|---|---|
| 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 | — |
2.500
|
2.300
|
1.551
|
— |
1.755
|
| Diluted earnings per share [abstract] | ||||||
| Diluted earnings (loss) per share | — |
2.495
|
2.295
|
1.548
|
— |
1.753
|
| Adjustments to reconcile profit (loss) to numerator used in calculating earnings per share [abstract] | ||||||
| Profit (loss), attributable to owners of parent |
28,000,000
GBP
|
348,800,000
GBP
|
320,800,000
GBP
|
201,600,000
GBP
|
26,600,000
GBP
|
228,200,000
GBP
|
| Disclosure of depositary receipts [text block] | — | — | — | — | — | — |
| Disclosure of depositary receipts [abstract] | ||||||
| Disclosure of depositary receipts [line items] |