Statement Of Cash Flows [Abstract]
| Concept |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||
| Cash flows from (used in) operating activities [abstract] | ||||
| Interest paid, classified as operating activities | — |
10,300,000
GBP
|
— |
15,400,000
GBP
|
| Income taxes paid (refund), classified as operating activities | — |
500,000
GBP
|
— |
10,500,000
GBP
|
| Cash flows from (used in) operating activities | — |
12,700,000
GBP
|
— |
16. 1
GBP
|
| Cash flows from (used in) investing activities [abstract] | ||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
–
GBP
|
— |
1,600,000
GBP
|
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
2,700,000
GBP
|
— |
200,000
GBP
|
| Purchase of property, plant and equipment, classified as investing activities | — |
7 . 9
GBP
|
— |
4,800,000
GBP
|
| Proceeds from sales of other long-term assets, classified as investing activities | — |
–
GBP
|
— |
0 .9
GBP
|
| Interest received, classified as investing activities | — |
200,000
GBP
|
— |
–
GBP
|
| Cash flows from (used in) investing activities | — |
12,600,000
GBP
|
— |
20 .8
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||||
| Proceeds from issuing shares | — |
–
GBP
|
— |
118. 1
GBP
|
| Payments to acquire or redeem entity's shares | — |
0 .5
GBP
|
— |
3,700,000
GBP
|
| Proceeds from borrowings, classified as financing activities | — |
244,700,000
GBP
|
— |
240,000,000
GBP
|
| Repayments of borrowings, classified as financing activities | — |
231. 1
GBP
|
— |
313. 9
GBP
|
| Payments of lease liabilities, classified as financing activities | — |
6. 1
GBP
|
— |
6,700,000
GBP
|
| Dividends paid, classified as financing activities | — |
–
GBP
|
— |
11,600,000
GBP
|
| Cash flows from (used in) financing activities | — |
7. 0
GBP
|
— |
23,400,000
GBP
|
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
7. 1
GBP
|
— |
13,500,000
GBP
|
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||
| Effect of exchange rate changes on cash and cash equivalents | — |
1,100,000
GBP
|
— |
2,400,000
GBP
|
| Cash and cash equivalents |
57 .3
GBP
|
— |
8. 7
GBP
|
— |