Statement Of Cash Flows [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||||||||||||
| Profit (loss) |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
323,500,000
GBP
|
–
GBP
|
323,500,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
33,600,000
GBP
|
289,900,000
GBP
|
— |
226,800,000
GBP
|
— |
–
GBP
|
1,300,000
GBP
|
228,100,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
68,000,000
GBP
|
158,800,000
GBP
|
–
GBP
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||||||||||||||||
| Adjustments for income tax expense | — | — | — | — | — | — |
34,400,000
GBP
|
— | — | — | — | — | — |
13,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Adjustments for finance costs | — | — | — | — | — | — |
189,600,000
GBP
|
— | — | — | — | — | — |
128,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Adjustments for decrease (increase) in inventories | — | — | — | — | — | — |
12,800,000
GBP
|
— | — | — | — | — | — |
11,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Adjustments for provisions | — | — | — | — | — | — |
2,700,000
GBP
|
— | — | — | — | — | — |
3,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) operations | — | — | — | — | — | — |
124,800,000
GBP
|
— | — | — | — | — | — |
151,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Income taxes paid (refund), classified as operating activities | — | — | — | — | — | — |
900,000
GBP
|
— | — | — | — | — | — |
5,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — |
123,900,000
GBP
|
— | — | — | — | — | — |
145,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||||||||||||
| Purchase of property, plant and equipment, classified as investing activities | — | — | — | — | — | — |
88,700,000
GBP
|
— | — | — | — | — | — |
91,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Purchase of intangible assets, classified as investing activities | — | — | — | — | — | — |
311,900,000
GBP
|
— | — | — | — | — | — |
306,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash receipts from repayment of advances and loans made to other parties, classified as investing activities | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — |
500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Interest received, classified as investing activities | — | — | — | — | — | — |
7,100,000
GBP
|
— | — | — | — | — | — |
13,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — |
374,800,000
GBP
|
— | — | — | — | — | — |
383,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||||||||||||
| Proceeds from issuing shares | — | — | — | — | — | — |
111,200,000
GBP
|
— | — | — | — | — | — |
310,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Proceeds from issuing other equity instruments | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — |
15,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Proceeds from borrowings, classified as financing activities | — | — | — | — | — | — |
1,394,600,000
GBP
|
— | — | — | — | — | — |
11,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Repayments of borrowings, classified as financing activities | — | — | — | — | — | — |
1,084,900,000
GBP
|
— | — | — | — | — | — |
129,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — | — | — | — |
9,500,000
GBP
|
— | — | — | — | — | — |
7,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Interest paid, classified as financing activities | — | — | — | — | — | — |
122,000,000
GBP
|
— | — | — | — | — | — |
122,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — |
215,800,000
GBP
|
— | — | — | — | — | — |
59,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — | — | — | — |
35,100,000
GBP
|
— | — | — | — | — | — |
177,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — | — | — | — |
2,300,000
GBP
|
— | — | — | — | — | — |
13,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — | — | — | — | — | — |
359,600,000
GBP
|
— |
392,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
583,300,000
GBP
|