Profit Or Loss [Abstract]
| Concept |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||||||||||||||||||||
| Profit (loss) [abstract] | ||||||||||||||||||||||||
| Revenue | — |
2,034,100,000
GBP
|
–
GBP
|
— |
2,034,100,000
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
1,852,800,000
GBP
|
1,852,800,000
GBP
|
— | — | — | — | — | — | — | — |
| Profit (loss) from operating activities | — |
424,300,000
GBP
|
56,600,000
GBP
|
— |
367,700,000
GBP
|
— | — | — | — | — | — | — | — |
69,800,000
GBP
|
378,200,000
GBP
|
308,400,000
GBP
|
— | — | — | — | — | — | — | — |
| Finance income | — |
3,100,000
GBP
|
–
GBP
|
— |
3,100,000
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
1,800,000
GBP
|
1,800,000
GBP
|
— | — | — | — | — | — | — | — |
| Finance costs | — |
30,700,000
GBP
|
–
GBP
|
— |
30,700,000
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
18,700,000
GBP
|
18,700,000
GBP
|
— | — | — | — | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — |
300,000
GBP
|
–
GBP
|
— |
300,000
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — |
| Profit (loss) before tax | — |
396,400,000
GBP
|
56,100,000
GBP
|
— |
340,300,000
GBP
|
— | — | — | — | — | — | — | — |
69,800,000
GBP
|
361,300,000
GBP
|
291,500,000
GBP
|
— | — | — | — | — | — | — | — |
| Tax expense (income) | — |
85,400,000
GBP
|
13,900,000
GBP
|
— |
71,500,000
GBP
|
— | — | — | — | — | — | — | — |
15,700,000
GBP
|
72,900,000
GBP
|
57,200,000
GBP
|
— | — | — | — | — | — | — | — |
| Profit (loss) |
–
GBP
|
311,000,000
GBP
|
42,200,000
GBP
|
–
GBP
|
268,800,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
268,800,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
54,100,000
GBP
|
288,400,000
GBP
|
234,300,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
234,500,000
GBP
|
200,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
| Profit (loss), attributable to [abstract] | ||||||||||||||||||||||||
| Profit (loss), attributable to owners of parent | — | — | — | — |
268,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
234,500,000
GBP
|
— | — | — | — | — | — | — | — |
| Profit (loss), attributable to non-controlling interests | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — |
200,000
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 | — |
0.8240
|
— | — |
0.7123
|
— | — | — | — | — | — | — | — | — |
0.7634
|
0.6204
|
— | — | — | — | — | — | — | — |
| Diluted earnings per share [abstract] | ||||||||||||||||||||||||
| Diluted earnings (loss) per share from continuing operations | — | — | — | — |
0.7096
|
— | — | — | — | — | — | — | — | — | — |
0.6186
|
— | — | — | — | — | — | — | — |