Analysis Of Income And Expense [Abstract]
| Concept |
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 |
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 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||
| Revenue [abstract] | ||||||||||||||||
| Other revenue | — |
3,700,000
GBP
|
— | — | — | — | — | — | — | — |
2. 7
GBP
|
— | — | — | — | — |
| Revenue | — |
189,000,000
GBP
|
— | — | — | — | — | — | — | — |
193,200,000
GBP
|
— | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||
| Finance income (cost) | — |
70,400,000
GBP
|
— | — | — | — | — | — | — | — |
33,900,000
GBP
|
— | — | — | — | — |
| Expenses by nature [abstract] | ||||||||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||||||||
| Employee benefits expense | — |
85,100,000
GBP
|
— | — | — | — | — | — | — | — |
66,200,000
GBP
|
— | — | — | — | — |
| Other expenses, by nature | — |
29,800,000
GBP
|
— | — | — | — | — | — | — | — |
27,800,000
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 |
–
GBP
|
4,600,000
GBP
|
–
GBP
|
4,100,000
GBP
|
–
GBP
|
4,100,000
GBP
|
500,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
26,200,000
GBP
|
–
GBP
|
–
GBP
|
700,000
GBP
|
25,500,000
GBP
|
25,500,000
GBP
|
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||
| Share of profit (loss) of associates accounted for using equity method | — |
500,000
GBP
|
— | — | — | — | — | — | — | — |
0. 5
GBP
|
— | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income |
–
GBP
|
93,600,000
GBP
|
–
GBP
|
4,100,000
GBP
|
–
GBP
|
89,600,000
GBP
|
4,000,000
GBP
|
9 3.7
GBP
|
–
GBP
|
83,300,000
GBP
|
6 5.2
GBP
|
4,900,000
GBP
|
–
GBP
|
2,500,000
GBP
|
62,700,000
GBP
|
25,500,000
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — |
89,600,000
GBP
|
— | — | — | — | — | — | — | — |
6 2.7
GBP
|
— | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — |
4,000,000
GBP
|
— | — | — | — | — | — | — | — |
2. 5
GBP
|
— | — | — | — | — |