Statement Of Comprehensive Income [Abstract]
| Concept |
2024-02-01 to 2025-01-31 |
2024-02-01 to 2025-01-31 |
2024-02-01 to 2025-01-31 |
2024-02-01 to 2025-01-31 |
2023-02-01 to 2024-01-31 |
2023-02-01 to 2024-01-31 |
2023-02-01 to 2024-01-31 |
2023-02-01 to 2024-01-31 |
|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||
| Profit (loss) |
17,913,000
GBP
|
–
GBP
|
–
GBP
|
17,913,000
GBP
|
25,437,000
GBP
|
25,437,000
GBP
|
–
GBP
|
–
GBP
|
| Other comprehensive income [abstract] | ||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | ||||||||
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans | — | — | — |
33,000
GBP
|
— |
6,000
GBP
|
— | — |
| Other comprehensive income |
33,000
GBP
|
–
GBP
|
–
GBP
|
33,000
GBP
|
6,000
GBP
|
6,000
GBP
|
–
GBP
|
–
GBP
|
| Comprehensive income |
17,880,000
GBP
|
–
GBP
|
–
GBP
|
17,880,000
GBP
|
25,431,000
GBP
|
25,431,000
GBP
|
–
GBP
|
–
GBP
|