Statement Of Cash Flows [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 |
As at 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 |
As at 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
As at 2022-06-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||||
| Profit (loss) |
–
GBP
|
–
GBP
|
4,500,000
GBP
|
93,700,000
GBP
|
–
GBP
|
93,700,000
GBP
|
— |
98,200,000
GBP
|
–
GBP
|
–
GBP
|
83,300,000
GBP
|
3,200,000
GBP
|
–
GBP
|
–
GBP
|
83,300,000
GBP
|
— |
86,500,000
GBP
|
–
GBP
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||||||||
| Adjustments for income tax expense | — | — | — | — | — | — | — |
29,900,000
GBP
|
— | — | — | — | — | — | — | — |
25,300,000
GBP
|
— | — |
| Adjustments for depreciation and amortisation expense | — | — | — | — | — | — | — |
3,100,000
GBP
|
— | — | — | — | — | — | — | — |
3,200,000
GBP
|
— | — |
| Adjustments for unrealised foreign exchange losses (gains) | — | — | — | — | — | — | — |
2,500,000
GBP
|
— | — | — | — | — | — | — | — |
5,400,000
GBP
|
— | — |
| Adjustments for undistributed profits of associates | — | — | — | — | — | — | — |
500,000
GBP
|
— | — | — | — | — | — | — | — |
500,000
GBP
|
— | — |
| Cash flows from (used in) operations | — | — | — | — | — | — | — |
112,500,000
GBP
|
— | — | — | — | — | — | — | — |
111,600,000
GBP
|
— | — |
| Income taxes paid (refund), classified as operating activities | — | — | — | — | — | — | — |
23,400,000
GBP
|
— | — | — | — | — | — | — | — |
7,100,000
GBP
|
— | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — |
89,100,000
GBP
|
— | — | — | — | — | — | — | — |
104,500,000
GBP
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||||
| Purchase of property, plant and equipment, classified as investing activities | — | — | — | — | — | — | — |
800,000
GBP
|
— | — | — | — | — | — | — | — |
400,000
GBP
|
— | — |
| Interest received, classified as investing activities | — | — | — | — | — | — | — |
21,200,000
GBP
|
— | — | — | — | — | — | — | — |
15,200,000
GBP
|
— | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — |
108,400,000
GBP
|
— | — | — | — | — | — | — | — |
5,200,000
GBP
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||||
| Payments to acquire or redeem entity's shares | — | — | — | — | — | — | — |
13,800,000
GBP
|
— | — | — | — | — | — | — | — |
15,600,000
GBP
|
— | — |
| Payments of lease liabilities, classified as financing activities | — | — | — | — | — | — | — |
2,200,000
GBP
|
— | — | — | — | — | — | — | — |
2,200,000
GBP
|
— | — |
| Interest paid, classified as financing activities | — | — | — | — | — | — | — |
300,000
GBP
|
— | — | — | — | — | — | — | — |
300,000
GBP
|
— | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — |
151,200,000
GBP
|
— | — | — | — | — | — | — | — |
170,700,000
GBP
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — | — | — | — | — |
170,500,000
GBP
|
— | — | — | — | — | — | — | — |
71,400,000
GBP
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — | — | — | — | — |
100,000
GBP
|
— | — | — | — | — | — | — | — |
2,000,000
GBP
|
— | — |
| Cash and cash equivalents | — | — | — | — | — | — |
308,000,000
GBP
|
— | — | — | — | — | — | — | — |
478,600,000
GBP
|
— | — |
552,000,000
GBP
|