Statement Of Changes In Equity [Abstract]
| Concept |
As at 2024-03-30 |
2023-03-26 to 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
2023-03-26 to 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
2023-03-26 to 2024-03-30 |
As at 2024-03-30 |
2023-03-26 to 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
2023-03-26 to 2024-03-30 |
2023-03-26 to 2024-03-30 |
As at 2024-03-30 |
2023-03-26 to 2024-03-30 |
2023-03-26 to 2024-03-30 |
2023-03-26 to 2024-03-30 |
As at 2023-03-25 |
As at 2023-03-25 |
As at 2023-03-25 |
As at 2023-03-25 |
As at 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
As at 2023-03-25 |
As at 2023-03-25 |
As at 2023-03-25 |
2022-03-27 to 2023-03-25 |
As at 2023-03-25 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
89,000,000
GBP
|
— |
42,300,000
GBP
|
5 .9
GBP
|
— |
83,800,000
GBP
|
6. 4
GBP
|
— |
14,200,000
GBP
|
— |
70 .2
GBP
|
1,200,000
GBP
|
— | — |
2,600,000
GBP
|
— | — | — |
55,700,000
GBP
|
9. 2
GBP
|
15. 9
GBP
|
83,800,000
GBP
|
5,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
22,600,000
GBP
|
88,800,000
GBP
|
42,200,000
GBP
|
— |
100,000
GBP
|
31,900,000
GBP
|
18,000,000
GBP
|
35,100,000
GBP
|
88,800,000
GBP
|
5,900,000
GBP
|
42,200,000
GBP
|
4,200,000
GBP
|
0 .5
GBP
|
161,800,000
GBP
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
2 0.0
GBP
|
— | — |
–
GBP
|
— | — |
900,000
GBP
|
— |
–
GBP
|
— | — |
–
GBP
|
19. 1
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,300,000
GBP
|
55. 9
GBP
|
— | — | — | — |
–
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — |
57 .2
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
4 .1
GBP
|
— | — |
–
GBP
|
— | — |
600,000
GBP
|
— |
2,800,000
GBP
|
— | — |
–
GBP
|
600,000
GBP
|
— |
–
GBP
|
1,300,000
GBP
|
–
GBP
|
— | — | — | — | — |
–
GBP
|
–
GBP
|
–
GBP
|
12,400,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
7 0.6
GBP
|
–
GBP
|
600,000
GBP
|
–
GBP
|
5 .0
GBP
|
–
GBP
|
–
GBP
|
8 8 .6
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
76 .2
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
12,400,000
GBP
|
5 .0
GBP
|
0. 6
GBP
|
–
GBP
|
— | — | — |
83,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
15,900,000
GBP
|
— | — |
–
GBP
|
— | — |
1,500,000
GBP
|
— |
2,800,000
GBP
|
— | — |
–
GBP
|
18,500,000
GBP
|
— |
–
GBP
|
1,300,000
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,300,000
GBP
|
144,500,000
GBP
|
— | — | — | — |
–
GBP
|
–
GBP
|
–
GBP
|
— |
5 .0
GBP
|
600,000
GBP
|
–
GBP
|
— | — | — |
140 .2
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Issue of equity | — |
–
GBP
|
— | — |
–
GBP
|
— | — |
–
GBP
|
— |
–
GBP
|
— | — |
–
GBP
|
0. 3
GBP
|
— |
100,000
GBP
|
–
GBP
|
0. 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
–
GBP
|
— | — |
–
GBP
|
— | — |
3,200,000
GBP
|
— |
–
GBP
|
— | — |
–
GBP
|
3,200,000
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
0. 8
GBP
|
–
GBP
|
— | — | — | — |
–
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — |
0. 8
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
1,400,000
GBP
|
— | — |
–
GBP
|
— | — |
–
GBP
|
— |
–
GBP
|
— | — |
–
GBP
|
1,400,000
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
GBP
|
1,900,000
GBP
|
— | — | — | — |
–
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — |
1 .9
GBP
|
— | — | — | — | — | — | — | — | — | — |