Statement Of Changes In Equity [Abstract]
| Concept |
2023-06-01 to 2024-05-31 |
2023-06-01 to 2024-05-31 |
2023-06-01 to 2024-05-31 |
2023-06-01 to 2024-05-31 |
2023-06-01 to 2024-05-31 |
2023-06-01 to 2024-05-31 |
2023-06-01 to 2024-05-31 |
2022-06-01 to 2023-05-31 |
2022-06-01 to 2023-05-31 |
2022-06-01 to 2023-05-31 |
2022-06-01 to 2023-05-31 |
2022-06-01 to 2023-05-31 |
2022-06-01 to 2023-05-31 |
2022-06-01 to 2023-05-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||
| Increase (decrease) through transfer to statutory reserve, equity |
17. 4
GBP
|
–
GBP
|
17. 4
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
7. 6
GBP
|
–
GBP
|
7. 6
GBP
|
–
GBP
|
–
GBP
|
| Decrease (increase) through tax on share-based payment transactions, equity |
–
GBP
|
–
GBP
|
1. 4
GBP
|
1. 4
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
1. 0
GBP
|
–
GBP
|
1,000,000
GBP
|
| Purchase of treasury shares |
600,000
GBP
|
–
GBP
|
24 4 .7
GBP
|
2 4 4 .1
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
2 .1
GBP
|
–
GBP
|
176 . 6
GBP
|
–
GBP
|
17 8 . 7
GBP
|