Statement Of Cash Flows [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Adjustments for finance income (cost) |
16,500,000
GBP
|
15,700,000
GBP
|
| Adjustments for decrease (increase) in trade and other receivables |
27,900,000
GBP
|
14,900,000
GBP
|
| Adjustments for increase (decrease) in trade and other payables |
26,300,000
GBP
|
18,300,000
GBP
|
| Adjustments for increase (decrease) in employee benefit liabilities |
4,800,000
GBP
|
900,000
GBP
|
| Adjustments for amortisation expense |
25,000,000
GBP
|
25,100,000
GBP
|
| Cash flows from (used in) investing activities [abstract] | ||
| Cash flows from (used in) decrease (increase) in short-term deposits and investments |
-
GBP
|
600,000
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Dividends paid to equity holders of parent, classified as financing activities |
16,000,000
GBP
|
-
GBP
|
| Dividends paid to non-controlling interests, classified as financing activities |
1,500,000
GBP
|
700,000
GBP
|
| Proceeds from non-current borrowings |
211,400,000
GBP
|
318,800,000
GBP
|
| Repayments of non-current borrowings |
182,500,000
GBP
|
352,900,000
GBP
|
| Payments for share issue costs |
-
GBP
|
3,300,000
GBP
|
| Payments for debt issue costs |
4,400,000
GBP
|
-
GBP
|
| Proceeds from contributions of non-controlling interests |
3,100,000
GBP
|
5,000,000
GBP
|