Statement Of Cash Flows [Abstract]
| Concept |
2021-07-01 to 2022-06-30 |
As at 2022-06-30 |
2020-07-01 to 2021-06-30 |
As at 2021-06-30 |
As at 2020-06-30 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Interest paid, classified as operating activities |
10,700,000
GBP
|
— |
11,000,000
GBP
|
— | — |
| Cash flows from (used in) operating activities |
417,600,000
GBP
|
— |
1,082,300,000
GBP
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities |
205,600,000
GBP
|
— |
–
GBP
|
— | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities |
1,000,000
GBP
|
— |
–
GBP
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities |
29,900,000
GBP
|
— |
7,200,000
GBP
|
— | — |
| Interest received, classified as investing activities |
2,200,000
GBP
|
— |
2,000,000
GBP
|
— | — |
| Cash flows from (used in) investing activities |
222,400,000
GBP
|
— |
13,500,000
GBP
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from issuing shares |
8,500,000
GBP
|
— |
100,000
GBP
|
— | — |
| Payments to acquire or redeem entity's shares |
28,500,000
GBP
|
— |
–
GBP
|
— | — |
| Repayments of borrowings, classified as financing activities |
5,300,000
GBP
|
— |
112,400,000
GBP
|
— | — |
| Payments of lease liabilities, classified as financing activities |
13,800,000
GBP
|
— |
14,800,000
GBP
|
— | — |
| Cash flows from (used in) financing activities |
378,400,000
GBP
|
— |
197,000,000
GBP
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes |
183,200,000
GBP
|
— |
898,800,000
GBP
|
— | — |
| Cash and cash equivalents | — |
1,352,700,000
GBP
|
— |
1,518,600,000
GBP
|
619,800,000
GBP
|