Statement Of Cash Flows [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Cash flows from (used in) operations |
334,28 1
GBP
|
— | — |
278 ,75 0
GBP
|
— |
| Interest paid, classified as operating activities |
23 ,073
GBP
|
— | — |
21 ,8 79
GBP
|
— |
| Income taxes paid (refund), classified as operating activities |
38,391,000
GBP
|
— | — |
3 9, 5 2 9
GBP
|
— |
| Cash flows from (used in) operating activities |
272,817,000
GBP
|
— | — |
2 1 7, 3 4 2
GBP
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities |
3 50 , 000
GBP
|
— | — |
–
GBP
|
— |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities |
2 7, 9 0 8
GBP
|
— | — |
4 5 , 9 7 8
GBP
|
— |
| Proceeds from sales of property, plant and equipment, classified as investing activities |
1 ,429
GBP
|
— | — |
845,000
GBP
|
— |
| Purchase of property, plant and equipment, classified as investing activities |
48,816,000
GBP
|
— | — |
55, 31 8
GBP
|
— |
| Purchase of intangible assets, classified as investing activities |
3 ,9 63
GBP
|
— | — |
2,522,000
GBP
|
— |
| Interest received, classified as investing activities |
2 4 ,1 9 9
GBP
|
— | — |
8,6 9 0
GBP
|
— |
| Cash flows from (used in) investing activities |
2 55,436
GBP
|
— | — |
70,5 82
GBP
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from issuing shares |
1,916,000
GBP
|
— | — |
2 , 5 74
GBP
|
— |
| Payments to acquire or redeem entity's shares |
1 5 9,4 5 8
GBP
|
— | — |
142,98 1
GBP
|
— |
| Proceeds from borrowings, classified as financing activities |
–
GBP
|
— | — |
141,722,000
GBP
|
— |
| Repayments of borrowings, classified as financing activities |
44 , 4 9 4
GBP
|
— | — |
1 5 8, 9 0 9
GBP
|
— |
| Payments of lease liabilities, classified as financing activities |
67 ,680
GBP
|
— | — |
5 8,078
GBP
|
— |
| Dividends paid, classified as financing activities |
72,5 6 9
GBP
|
— | — |
7 3,868
GBP
|
— |
| Cash flows from (used in) financing activities |
3 42 , 28 5
GBP
|
— | — |
2 89,54 0
GBP
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes |
3 24 ,9 04
GBP
|
— | — |
142,780,000
GBP
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents |
2, 878
GBP
|
— | — |
9,838,000
GBP
|
— |
| Cash and cash equivalents | — |
383,9 39
GBP
|
7 11 ,72 1
GBP
|
— |
844 ,66 3
GBP
|