Profit Or Loss [Abstract]
| Concept |
2022-12-26 to 2023-12-31 |
2022-12-26 to 2023-12-31 |
2022-12-26 to 2023-12-31 |
2022-12-26 to 2023-12-31 |
2022-12-26 to 2023-12-31 |
2022-12-26 to 2023-12-31 |
2022-12-26 to 2023-12-31 |
2022-12-26 to 2023-12-31 |
2022-12-26 to 2023-12-31 |
2021-12-27 to 2022-12-25 |
2021-12-27 to 2022-12-25 |
2021-12-27 to 2022-12-25 |
2021-12-27 to 2022-12-25 |
2021-12-27 to 2022-12-25 |
2021-12-27 to 2022-12-25 |
2021-12-27 to 2022-12-25 |
2021-12-27 to 2022-12-25 |
2021-12-27 to 2022-12-25 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||||||||||||||
| Profit (loss) [abstract] | ||||||||||||||||||
| Revenue | — | — | — | — | — | — |
679,800,000
GBP
|
–
GBP
|
679,800,000
GBP
|
–
GBP
|
600,300,000
GBP
|
600,300,000
GBP
|
— | — | — | — | — | — |
| Other income | — | — | — | — | — | — |
42,900,000
GBP
|
40,600,000
GBP
|
2,300,000
GBP
|
–
GBP
|
1,000,000
GBP
|
1,000,000
GBP
|
— | — | — | — | — | — |
| Profit (loss) from operating activities | — | — | — | — | — | — |
156,800,000
GBP
|
40,600,000
GBP
|
116,200,000
GBP
|
–
GBP
|
109,800,000
GBP
|
109,800,000
GBP
|
— | — | — | — | — | — |
| Finance income | — | — | — | — | — | — |
13,700,000
GBP
|
–
GBP
|
13,700,000
GBP
|
–
GBP
|
13,100,000
GBP
|
13,100,000
GBP
|
— | — | — | — | — | — |
| Finance costs | — | — | — | — | — | — |
28,200,000
GBP
|
–
GBP
|
28,200,000
GBP
|
–
GBP
|
24,000,000
GBP
|
24,000,000
GBP
|
— | — | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — | — | — | — | — |
2,000,000
GBP
|
–
GBP
|
2,000,000
GBP
|
–
GBP
|
6,600,000
GBP
|
6,600,000
GBP
|
— | — | — | — | — | — |
| Profit (loss) before tax | — | — | — | — | — | — |
142,300,000
GBP
|
40,600,000
GBP
|
101,700,000
GBP
|
–
GBP
|
98,900,000
GBP
|
98,900,000
GBP
|
— | — | — | — | — | — |
| Tax expense (income) | — | — | — | — | — | — |
27,300,000
GBP
|
1,300,000
GBP
|
26,000,000
GBP
|
–
GBP
|
17,300,000
GBP
|
17,300,000
GBP
|
— | — | — | — | — | — |
| Profit (loss) |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
115,000,000
GBP
|
115,000,000
GBP
|
39,300,000
GBP
|
75,700,000
GBP
|
–
GBP
|
81,600,000
GBP
|
81,600,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
81,600,000
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 | — | — | — | — | — | — |
0.280
|
— |
0.184
|
— |
0.188
|
0.188
|
— | — | — | — | — | — |
| Diluted earnings per share [abstract] | ||||||||||||||||||
| Diluted earnings (loss) per share | — | — | — | — | — | — |
0.279
|
— |
0.184
|
— |
0.187
|
0.187
|
— | — | — | — | — | — |