Disclosure Of Income Tax [Text Block]
| Concept |
As at 2023-09-30 |
2022-10-01 to 2023-09-30 |
2021-10-01 to 2022-09-30 |
As at 2022-09-30 |
As at 2021-09-30 |
|---|---|---|---|---|---|
| Disclosure of income tax [text block] | — |
|
— | — | — |
| Major components of tax expense (income) [abstract] | |||||
| Tax expense (income) | — |
46,000,000
GBP
|
104,300,000
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 | — |
800,000
GBP
|
3,700,000
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 assets |
-
GBP
|
— | — |
-
GBP
|
14,400,000
GBP
|
| Deferred tax liabilities |
17,700,000
GBP
|
— | — |
44,400,000
GBP
|
-
GBP
|
| Reconciliation of accounting profit multiplied by applicable tax rates [abstract] |