Disclosure Of Income Tax [Text Block]
| Concept |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2023-04-01 to 2024-03-31 |
As at 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
|---|---|---|---|---|---|---|---|---|
| Disclosure of income tax [text block] | — |
|
— | — | — | — | — | — |
| Major components of tax expense (income) [abstract] | ||||||||
| Tax expense (income) | — |
87,900,000
GBP
|
103,600,000
GBP
|
15,700,000
GBP
|
71,500,000
GBP
|
— |
85,400,000
GBP
|
13,900,000
GBP
|
| Income tax relating to components of other comprehensive income [abstract] | ||||||||
| Income tax relating to cash flow hedges included in other comprehensive income | — |
100,000
GBP
|
— | — |
200,000
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 |
4,400,000
GBP
|
— | — | — | — |
4,900,000
GBP
|
— | — |
| Deferred tax liabilities |
73,400,000
GBP
|
— | — | — | — |
79,500,000
GBP
|
— | — |
| Reconciliation of accounting profit multiplied by applicable tax rates [abstract] |