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 |
9 3 .1
GBP
|
— |
9 .8
GBP
|
— | — |
| Income taxes paid (refund), classified as operating activities |
9,000,000
GBP
|
— |
20,500,000
GBP
|
— | — |
| Cash flows from (used in) operating activities |
8 4 .1
GBP
|
— |
10 .7
GBP
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities |
7. 0
GBP
|
— |
3 .1
GBP
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities |
4 . 0
GBP
|
— |
5,900,000
GBP
|
— | — |
| Purchase of intangible assets, classified as investing activities |
4 . 2
GBP
|
— |
2 .1
GBP
|
— | — |
| Dividends received, classified as investing activities |
0. 2
GBP
|
— |
–
GBP
|
— | — |
| Interest received, classified as investing activities |
2 .1
GBP
|
— |
–
GBP
|
— | — |
| Cash flows from (used in) investing activities |
12 . 3
GBP
|
— |
13 . 3
GBP
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from issuing shares |
–
GBP
|
— |
0. 2
GBP
|
— | — |
| Payments to acquire or redeem entity's shares |
2 . 5
GBP
|
— |
–
GBP
|
— | — |
| Repayments of borrowings, classified as financing activities |
0 . 2
GBP
|
— |
0. 2
GBP
|
— | — |
| Payments of lease liabilities, classified as financing activities |
12 .7
GBP
|
— |
16 . 3
GBP
|
— | — |
| Interest paid, classified as financing activities |
2 9 .1
GBP
|
— |
2 6 .7
GBP
|
— | — |
| Cash flows from (used in) financing activities |
4 4 . 5
GBP
|
— |
4 3 .0
GBP
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes |
2 7. 3
GBP
|
— |
6 7. 0
GBP
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents |
4 .6
GBP
|
— |
1 0.9
GBP
|
— | — |
| Cash and cash equivalents | — |
16 8 . 4
GBP
|
— |
14 5 . 7
GBP
|
223,600,000
GBP
|