Statement Of Cash Flows [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||
| Cash flows from (used in) operating activities [abstract] | ||||
| Cash flows from (used in) operations |
331,100,000
GBP
|
— |
351,500,000
GBP
|
— |
| Income taxes paid (refund), classified as operating activities |
90,000,000
GBP
|
— |
78,100,000
GBP
|
— |
| Cash flows from (used in) operating activities |
241,100,000
GBP
|
— |
273,400,000
GBP
|
— |
| Cash flows from (used in) investing activities [abstract] | ||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities |
2,800,000
GBP
|
— |
–
GBP
|
— |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities |
460,300,000
GBP
|
— |
–
GBP
|
— |
| Proceeds from sales of property, plant and equipment, classified as investing activities |
4,000,000
GBP
|
— |
2,000,000
GBP
|
— |
| Purchase of property, plant and equipment, classified as investing activities |
104,300,000
GBP
|
— |
52,800,000
GBP
|
— |
| Purchase of intangible assets, classified as investing activities |
8,900,000
GBP
|
— |
8,100,000
GBP
|
— |
| Interest received, classified as investing activities |
5,600,000
GBP
|
— |
3,400,000
GBP
|
— |
| Cash flows from (used in) investing activities |
571,000,000
GBP
|
— |
58,700,000
GBP
|
— |
| Cash flows from (used in) financing activities [abstract] | ||||
| Proceeds from issuing shares |
1,800,000
GBP
|
— |
1,500,000
GBP
|
— |
| Payments to acquire or redeem entity's shares |
20,800,000
GBP
|
— |
26,100,000
GBP
|
— |
| Proceeds from borrowings, classified as financing activities |
1,008,800,000
GBP
|
— |
–
GBP
|
— |
| Repayments of borrowings, classified as financing activities |
511,100,000
GBP
|
— |
77,500,000
GBP
|
— |
| Payments of lease liabilities, classified as financing activities |
12,900,000
GBP
|
— |
11,700,000
GBP
|
— |
| Dividends paid, classified as financing activities |
103,600,000
GBP
|
— |
91,000,000
GBP
|
— |
| Interest paid, classified as financing activities |
15,500,000
GBP
|
— |
8,500,000
GBP
|
— |
| Cash flows from (used in) financing activities |
346,700,000
GBP
|
— |
213,300,000
GBP
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes |
16,800,000
GBP
|
— |
1,400,000
GBP
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||
| Effect of exchange rate changes on cash and cash equivalents |
8,000,000
GBP
|
— |
6,400,000
GBP
|
— |
| Cash and cash equivalents | — |
328,900,000
GBP
|
— |
274,600,000
GBP
|