Disclosure Of Income Tax [Text Block]
| Concept |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2023-12-31 |
2022-12-26 to 2023-12-31 |
2022-12-26 to 2023-12-31 |
2022-12-26 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|
| Disclosure of income tax [text block] | — | — | — | — | — | — | — | — |
| Major components of tax expense (income) [abstract] | ||||||||
| Tax expense (income) |
9,200,000
GBP
|
— |
8,300,000
GBP
|
17,500,000
GBP
|
— |
9,400,000
GBP
|
24,600,000
GBP
|
15,200,000
GBP
|
| Income tax relating to components of other comprehensive income [abstract] | ||||||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income |
2,800,000
GBP
|
— | — | — | — | — | — |
100,000
GBP
|
| Disclosure of temporary difference, unused tax losses and unused tax credits [text block] | — | — | — | — | — | — | — | — |
| Disclosure of temporary difference, unused tax losses and unused tax credits [abstract] | ||||||||
| Disclosure of temporary difference, unused tax losses and unused tax credits [line items] | ||||||||
| Deferred tax assets and liabilities [abstract] | ||||||||
| Deferred tax liabilities | — |
210,300,000
GBP
|
— | — |
200,100,000
GBP
|
— | — | — |
| Reconciliation of accounting profit multiplied by applicable tax rates [abstract] |