Statement Of Comprehensive Income [Abstract]
| Concept |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||
| Profit (loss) |
1,204,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
1,204,000
GBP
|
–
GBP
|
2,524,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
2,524,000
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 |
1,652,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
6,715,000
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 |
413,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
1,679,000
GBP
|
| Other comprehensive income |
1,239,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
1,239,000
GBP
|
–
GBP
|
5,036,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
5,036,000
GBP
|
| Comprehensive income |
2,443,000
GBP
|
— | — | — | — |
2,443,000
GBP
|
— |
2,512,000
GBP
|
— | — | — |
2,512,000
GBP
|