Analysis Of Income And Expense [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 |
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 |
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 |
2019-04-01 to 2020-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||||
| Revenue | — | — |
421. 5
GBP
|
421 .5
GBP
|
— | — | — | — | — | — | — |
440. 6
GBP
|
–
GBP
|
— | — | — | — | — |
440. 6
GBP
|
–
GBP
|
| Material income and expense [abstract] | ||||||||||||||||||||
| Impairment loss (reversal of impairment loss) on trade receivables [abstract] | ||||||||||||||||||||
| Impairment loss (reversal of impairment loss) recognised in profit or loss, trade receivables | — | — |
3 . 2
GBP
|
3 . 2
GBP
|
— | — | — | — | — | — | — |
4 . 0
GBP
|
–
GBP
|
— | — | — | — | — |
4 . 0
GBP
|
–
GBP
|
| Finance income (cost) | — | — |
1 2 . 7
GBP
|
1 2 . 7
GBP
|
— | — | — | — | — | — | — |
8 . 6
GBP
|
–
GBP
|
— | — | — | — | — |
8 . 6
GBP
|
–
GBP
|
| Distribution and administrative expense | — | — |
21 1 . 9
GBP
|
2 0 2 . 9
GBP
|
— | — | — | — | — | — | — |
2 0 3 . 1
GBP
|
8 . 1
GBP
|
— | — | — | — | — |
2 1 1. 2
GBP
|
9. 0
GBP
|
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations | — | — |
0 . 2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
0. 5
GBP
|
— |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||||||
| Share of profit (loss) of joint ventures accounted for using equity method | — | — |
2,900,000
GBP
|
2,900,000
GBP
|
— | — | — | — | — | — | — |
6,600,000
GBP
|
–
GBP
|
— | — | — | — | — |
6,600,000
GBP
|
–
GBP
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||||
| Comprehensive income |
–
GBP
|
0 . 1
GBP
|
2,400,000
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
2,700,000
GBP
|
0 . 2
GBP
|
–
GBP
|
–
GBP
|
— | — |
500,000
GBP
|
–
GBP
|
1,200,000
GBP
|
–
GBP
|
200,000
GBP
|
1,900,000
GBP
|
— |