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] | ||
| Cash flows from (used in) operations before changes in working capital |
191,500,000
GBP
|
95,000,000
GBP
|
| Increase (decrease) in working capital |
52,700,000
GBP
|
102,600,000
GBP
|
| Adjustments for decrease (increase) in trade and other receivables |
94,000,000
GBP
|
41,600,000
GBP
|
| Adjustments for increase (decrease) in trade and other payables |
73,500,000
GBP
|
2,700,000
GBP
|
| Adjustments for amortisation expense |
1,500,000
GBP
|
3,100,000
GBP
|
| Adjustments for depreciation expense |
20,500,000
GBP
|
22,000,000
GBP
|
| Adjustments for gains (losses) on fair value adjustment, investment property |
–
GBP
|
600,000
GBP
|
| Adjustments for gain (loss) on disposals, property, plant and equipment |
500,000
GBP
|
1,000,000
GBP
|
| Adjustments for gain (loss) on disposal of investments in subsidiaries, joint ventures and associates |
–
GBP
|
2,700,000
GBP
|
| Adjustments for undistributed profits of investments accounted for using equity method |
5,400,000
GBP
|
2,300,000
GBP
|
| Cash flows from (used in) investing activities [abstract] | ||
| Proceeds from sales of investments other than investments accounted for using equity method |
–
GBP
|
500,000
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Proceeds from exercise of options |
1,700,000
GBP
|
900,000
GBP
|
| Proceeds from issue of ordinary shares |
300,000
GBP
|
7,000,000
GBP
|