Statement Of Comprehensive Income [Abstract]
| Concept |
2023-08-01 to 2024-07-31 |
2023-08-01 to 2024-07-31 |
2023-08-01 to 2024-07-31 |
2023-08-01 to 2024-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||
| Profit (loss) |
1,673,000
GBP
|
–
GBP
|
1,673,000
GBP
|
–
GBP
|
200,000
GBP
|
–
GBP
|
200,000
GBP
|
–
GBP
|
| Other comprehensive income [abstract] | ||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||||
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans |
1,802,000
GBP
|
— | — | — |
4,330,000
GBP
|
— | — | — |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income |
450,000
GBP
|
— | — | — |
1,083,000
GBP
|
— | — | — |
| Other comprehensive income |
1,352,000
GBP
|
–
GBP
|
1,352,000
GBP
|
–
GBP
|
3,247,000
GBP
|
–
GBP
|
3,247,000
GBP
|
–
GBP
|
| Comprehensive income |
3,025,000
GBP
|
–
GBP
|
3,025,000
GBP
|
–
GBP
|
3,447,000
GBP
|
–
GBP
|
3,447,000
GBP
|
–
GBP
|
| Comprehensive income attributable to [abstract] | ||||||||
| Comprehensive income, attributable to owners of parent |
3,025,000
GBP
|
— | — | — |
3,447,000
GBP
|
— | — | — |