Disclosure Of Income Tax [Text Block]
| Concept |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
As at 2022-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
As at 2021-03-31 |
2020-04-01 to 2021-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of income tax [text block] | — | — | — | — | — | — | — | — | — | — |
| Major components of tax expense (income) [abstract] | ||||||||||
| Tax expense (income) |
8,100,000
GBP
|
68,300,000
GBP
|
60,200,000
GBP
|
— | — |
55,800,000
GBP
|
49,600,000
GBP
|
6,200,000
GBP
|
— | — |
| Income tax relating to components of other comprehensive income [abstract] | ||||||||||
| Income tax relating to cash flow hedges included in other comprehensive income | — | — | — |
400,000
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 | — | — | — | — |
2,400,000
GBP
|
— | — | — |
1,300,000
GBP
|
— |
| Deferred tax liabilities | — | — | — | — |
58,500,000
GBP
|
— | — | — |
40,600,000
GBP
|
— |
| Reconciliation of accounting profit multiplied by applicable tax rates [abstract] |