Profit Or Loss [Abstract]
| Concept |
2022-01-02 to 2022-12-31 |
2022-01-02 to 2022-12-31 |
2022-01-02 to 2022-12-31 |
2022-01-02 to 2022-12-31 |
2022-01-02 to 2022-12-31 |
2021-01-03 to 2022-01-01 |
2021-01-03 to 2022-01-01 |
2021-01-03 to 2022-01-01 |
2021-01-03 to 2022-01-01 |
2021-01-03 to 2022-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||||||
| Profit (loss) [abstract] | ||||||||||
| Revenue | — |
1,512,800,000
GBP
|
— | — | — |
1,2 29 .7
GBP
|
— | — | — | — |
| Profit (loss) from operating activities | — |
1 54.4
GBP
|
— | — | — |
15 3.2
GBP
|
— | — | — | — |
| Finance costs | — |
6 .1
GBP
|
— | — | — |
7. 6
GBP
|
— | — | — | — |
| Profit (loss) before tax | — |
148 .3
GBP
|
— | — | — |
145 .6
GBP
|
— | — | — | — |
| Tax expense (income) | — |
2 8 . 0
GBP
|
— | — | — |
2 8 .1
GBP
|
— | — | — | — |
| Profit (loss) |
–
GBP
|
120,300,000
GBP
|
–
GBP
|
–
GBP
|
120,300,000
GBP
|
1 1 7. 5
GBP
|
1 1 7. 5
GBP
|
–
GBP
|
–
GBP
|
–
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 | — |
1.185
|
— | — | — |
115. 7
|
— | — | — | — |
| Diluted earnings per share [abstract] | ||||||||||
| Diluted earnings (loss) per share | — |
117 .5
|
— | — | — |
1 14. 3
|
— | — | — | — |