Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2025-01-31 |
As at 2025-01-31 |
As at 2025-01-31 |
As at 2025-01-31 |
As at 2024-01-31 |
As at 2024-01-31 |
As at 2024-01-31 |
As at 2024-01-31 |
As at 2023-01-31 |
As at 2023-01-31 |
As at 2023-01-31 |
As at 2023-01-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of fair value measurement [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [abstract] | ||||||||||||
| Disclosure of fair value measurement of assets [line items] | ||||||||||||
| Assets | — |
445,056,000
GBP
|
— | — | — | — |
466,846,000
GBP
|
— | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | ||||||||||||
| Disclosure of fair value measurement of liabilities [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of liabilities [abstract] | ||||||||||||
| Disclosure of fair value measurement of liabilities [line items] | ||||||||||||
| Liabilities | — |
206,977,000
GBP
|
— | — | — | — |
232,684,000
GBP
|
— | — | — | — | — |
| Reconciliation of changes in fair value measurement, liabilities [abstract] | ||||||||||||
| Disclosure of fair value measurement of equity [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of equity [abstract] | ||||||||||||
| Disclosure of fair value measurement of equity [line items] | ||||||||||||
| Equity |
1,719,000
GBP
|
238,079,000
GBP
|
2,301,000
GBP
|
234,059,000
GBP
|
2,301,000
GBP
|
1,719,000
GBP
|
234,162,000
GBP
|
230,142,000
GBP
|
224,885,000
GBP
|
2,301,000
GBP
|
1,719,000
GBP
|
220,865,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |