Profit Or Loss [Abstract]
| Concept |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||||||||||||||||
| Profit (loss) [abstract] | ||||||||||||||||||||
| Revenue |
–
GBP
|
1,047,800,000
GBP
|
— | — |
1,047,800,000
GBP
|
— | — | — | — | — | — |
–
GBP
|
907,800,000
GBP
|
— | — |
907,800,000
GBP
|
— | — | — | — |
| Raw materials and consumables used |
200,000
GBP
|
51,700,000
GBP
|
— | — |
51,900,000
GBP
|
— | — | — | — | — | — |
–
GBP
|
37,400,000
GBP
|
— | — |
37,400,000
GBP
|
— | — | — | — |
| Employee benefits expense |
11,700,000
GBP
|
151,100,000
GBP
|
— | — |
162,800,000
GBP
|
— | — | — | — | — | — |
700,000
GBP
|
114,800,000
GBP
|
— | — |
115,500,000
GBP
|
— | — | — | — |
| Depreciation and amortisation expense |
–
GBP
|
187,100,000
GBP
|
— | — |
187,100,000
GBP
|
— | — | — | — | — | — |
–
GBP
|
172,000,000
GBP
|
— | — |
172,000,000
GBP
|
— | — | — | — |
| Profit (loss) from operating activities |
37,600,000
GBP
|
148,500,000
GBP
|
— | — |
110,900,000
GBP
|
— | — | — | — | — | — |
25,900,000
GBP
|
166,300,000
GBP
|
— | — |
140,400,000
GBP
|
— | — | — | — |
| Finance income |
–
GBP
|
15,000,000
GBP
|
— | — |
15,000,000
GBP
|
— | — | — | — | — | — |
–
GBP
|
12,600,000
GBP
|
— | — |
12,600,000
GBP
|
— | — | — | — |
| Finance costs |
–
GBP
|
199,400,000
GBP
|
— | — |
199,400,000
GBP
|
— | — | — | — | — | — |
–
GBP
|
162,800,000
GBP
|
— | — |
162,800,000
GBP
|
— | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method |
–
GBP
|
800,000
GBP
|
— | — |
800,000
GBP
|
— | — | — | — | — | — |
–
GBP
|
700,000
GBP
|
— | — |
700,000
GBP
|
— | — | — | — |
| Profit (loss) before tax |
37,600,000
GBP
|
35,100,000
GBP
|
— | — |
72,700,000
GBP
|
— | — | — | — | — | — |
25,900,000
GBP
|
16,800,000
GBP
|
— | — |
9,100,000
GBP
|
— | — | — | — |
| Tax expense (income) |
8,900,000
GBP
|
7,000,000
GBP
|
— | — |
15,900,000
GBP
|
— | — | — | — | — | — |
4,900,000
GBP
|
4,300,000
GBP
|
— | — |
600,000
GBP
|
— | — | — | — |
| Profit (loss) |
28,700,000
GBP
|
28,100,000
GBP
|
28,100,000
GBP
|
28,700,000
GBP
|
56,800,000
GBP
|
1,100,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
57,900,000
GBP
|
9,500,000
GBP
|
21,000,000
GBP
|
12,500,000
GBP
|
12,500,000
GBP
|
21,000,000
GBP
|
8,500,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
1,000,000
GBP
|
| Profit (loss), attributable to [abstract] | ||||||||||||||||||||
| Profit (loss), attributable to owners of parent | — | — | — | — |
57,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
9,500,000
GBP
|
— | — | — | — |
| Profit (loss), attributable to non-controlling interests | — | — | — | — |
1,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
1,000,000
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 | — | — | — | — |
0.161
|
— | — | — | — | — | — | — | — | — | — |
0.029
|
— | — | — | — |
| Diluted earnings per share [abstract] | ||||||||||||||||||||
| Diluted earnings (loss) per share | — | — | — | — |
0.161
|
— | — | — | — | — | — | — | — | — | — |
0.029
|
— | — | — | — |