Statement Of Cash Flows [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Adjustments for interest income |
8,700,000
GBP
|
2,100,000
GBP
|
| Adjustments for finance income |
1 9.7
GBP
|
9,900,000
GBP
|
| Cash flows from (used in) operations before changes in working capital |
360,100,000
GBP
|
1 ,02 5.5
GBP
|
| Adjustments for decrease (increase) in trade and other receivables |
37. 5
GBP
|
8 1 .1
GBP
|
| Adjustments for increase (decrease) in trade and other payables |
233,600,000
GBP
|
14 1 . 1
GBP
|
| Adjustments for amortisation expense |
—
GBP
|
—
GBP
|
| Adjustments for depreciation expense |
1 8.7
GBP
|
1 5.8
GBP
|
| Cash flows from (used in) investing activities [abstract] | ||
| Purchase of interests in associates |
700,000
GBP
|
—
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Proceeds from exercise of options |
—
GBP
|
700,000
GBP
|