Statement Of Cash Flows [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Income taxes paid, classified as operating activities |
71,700,000
GBP
|
41,600,000
GBP
|
| Cash flows from (used in) investing activities [abstract] | ||
| Payments for development project expenditure |
15,100,000
GBP
|
6,300,000
GBP
|
| Purchase of investments other than investments accounted for using equity method |
–
GBP
|
7,600,000
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Dividends paid to equity holders of parent, classified as financing activities |
43,300,000
GBP
|
–
GBP
|
| Dividends paid to non-controlling interests, classified as financing activities |
9,500,000
GBP
|
8,600,000
GBP
|
| Payments for debt issue costs |
–
GBP
|
500,000
GBP
|