Statement Of Cash Flows [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Cash flows from (used in) operations |
243 . 3
GBP
|
— |
230,900,000
GBP
|
— | — |
| Interest paid, classified as operating activities |
1 5 . 9
GBP
|
— |
6. 8
GBP
|
— | — |
| Interest received, classified as operating activities |
1,200,000
GBP
|
— |
2,600,000
GBP
|
— | — |
| Income taxes paid (refund), classified as operating activities |
2 4 . 0
GBP
|
— |
32. 5
GBP
|
— | — |
| Cash flows from (used in) operating activities |
201 .7
GBP
|
— |
191 . 9
GBP
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities |
173,600,000
GBP
|
— |
1 8 . 8
GBP
|
— | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities |
5 .7
GBP
|
— |
3,400,000
GBP
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities |
13 1 . 3
GBP
|
— |
1 0 6 . 8
GBP
|
— | — |
| Cash flows from (used in) investing activities |
29 6 . 2
GBP
|
— |
1 2 0 . 4
GBP
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from issuing shares |
1,300,000
GBP
|
— |
0 .7
GBP
|
— | — |
| Proceeds from borrowings, classified as financing activities |
3 5 7. 4
GBP
|
— |
–
GBP
|
— | — |
| Repayments of borrowings, classified as financing activities |
304 .0
GBP
|
— |
0 . 9
GBP
|
— | — |
| Payments of lease liabilities, classified as financing activities |
9 . 4
GBP
|
— |
8 .1
GBP
|
— | — |
| Dividends paid, classified as financing activities |
4 8 . 3
GBP
|
— |
3 7. 6
GBP
|
— | — |
| Cash flows from (used in) financing activities |
3,000,000
GBP
|
— |
4 6 . 6
GBP
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes |
9 7. 5
GBP
|
— |
24 . 9
GBP
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents |
0 . 5
GBP
|
— |
0. 3
GBP
|
— | — |
| Cash and cash equivalents | — |
28. 9
GBP
|
— |
126,900,000
GBP
|
10 1 .7
GBP
|