Statement Of Changes In Equity [Abstract]
| Concept |
As at 2024-06-30 |
2023-07-01 to 2024-06-30 |
As at 2024-06-30 |
2023-07-01 to 2024-06-30 |
As at 2024-06-30 |
2023-07-01 to 2024-06-30 |
2023-07-01 to 2024-06-30 |
2023-07-01 to 2024-06-30 |
As at 2024-06-30 |
2023-07-01 to 2024-06-30 |
As at 2024-06-30 |
As at 2024-06-30 |
2023-07-01 to 2024-06-30 |
As at 2024-06-30 |
2023-07-01 to 2024-06-30 |
2023-07-01 to 2024-06-30 |
2023-07-01 to 2024-06-30 |
2023-07-01 to 2024-06-30 |
As at 2024-06-30 |
As at 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
As at 2023-06-30 |
As at 2023-06-30 |
2022-07-01 to 2023-06-30 |
As at 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
As at 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
As at 2023-06-30 |
2022-07-01 to 2023-06-30 |
As at 2023-06-30 |
As at 2023-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||
| Equity |
369,600,000
GBP
|
— |
62,000,000
GBP
|
— |
3,400,000
GBP
|
— | — | — |
53,900,000
GBP
|
— |
557,600,000
GBP
|
23,900,000
GBP
|
— |
28,800,000
GBP
|
— | — | — | — |
16,000,000
GBP
|
58,000,000
GBP
|
— | — |
155,400,000
GBP
|
24,100,000
GBP
|
— |
3,400,000
GBP
|
— | — | — |
369,600,000
GBP
|
— | — |
670,300,000
GBP
|
— |
43,800,000
GBP
|
16,000,000
GBP
|
268,200,000
GBP
|
369,600,000
GBP
|
2,700,000
GBP
|
73,600,000
GBP
|
21,600,000
GBP
|
16,700,000
GBP
|
796,200,000
GBP
|
43,800,000
GBP
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
–
GBP
|
— |
–
GBP
|
— |
–
GBP
|
–
GBP
|
4,900,000
GBP
|
— |
–
GBP
|
— | — |
4,900,000
GBP
|
— |
–
GBP
|
64,000,000
GBP
|
4,900,000
GBP
|
68,900,000
GBP
|
— | — |
–
GBP
|
138,300,000
GBP
|
— | — |
–
GBP
|
— |
138,300,000
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
— |
138,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
–
GBP
|
— |
–
GBP
|
— |
–
GBP
|
–
GBP
|
17,600,000
GBP
|
— |
4,100,000
GBP
|
— | — |
21,700,000
GBP
|
— |
–
GBP
|
— | — | — | — | — |
–
GBP
|
75,600,000
GBP
|
— | — |
–
GBP
|
— | — |
15,600,000
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
— |
91,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
–
GBP
|
— |
–
GBP
|
— |
–
GBP
|
–
GBP
|
22,500,000
GBP
|
— |
4,100,000
GBP
|
— | — |
26,600,000
GBP
|
— |
–
GBP
|
— | — | — | — | — |
–
GBP
|
62,700,000
GBP
|
— | — |
–
GBP
|
— | — |
15,600,000
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
— |
47,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
–
GBP
|
— |
–
GBP
|
— |
–
GBP
|
–
GBP
|
68,300,000
GBP
|
— |
–
GBP
|
— | — |
83,300,000
GBP
|
— |
15,000,000
GBP
|
— | — | — | — | — |
–
GBP
|
165,100,000
GBP
|
— | — |
–
GBP
|
— | — |
–
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
— |
165,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — |