Disclosure Of Cash Flow Statement [Text Block]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-01-01 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-01-01 |
|---|---|---|---|---|---|---|
| Disclosure of cash flow statement [text block] | — | — | — | — | — | — |
| Cash and cash equivalents if different from statement of financial position [abstract] | ||||||
| Cash and cash equivalents |
167,400,000
GBP
|
— |
235,700,000
GBP
|
235,700,000
GBP
|
— |
259,400,000
GBP
|
| Income taxes paid (refund) [abstract] | ||||||
| Income taxes paid (refund), classified as operating activities | — |
5,100,000
GBP
|
— | — |
11,500,000
GBP
|
— |
| Income taxes paid (refund), classified as investing activities | — |
1,300,000
GBP
|
— | — |
9,000,000
GBP
|
— |