Statement Of Cash Flows [Abstract]
| Concept |
2022-05-01 to 2023-04-30 |
As at 2023-04-30 |
2021-05-01 to 2022-04-30 |
As at 2022-04-30 |
As at 2021-04-30 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Cash flows from (used in) operations |
472,500,000
GBP
|
— |
37 2.4
GBP
|
— | — |
| Interest paid, classified as operating activities |
21,400,000
GBP
|
— |
5,600,000
GBP
|
— | — |
| Interest received, classified as operating activities |
18,200,000
GBP
|
— |
1,900,000
GBP
|
— | — |
| Income taxes paid (refund), classified as operating activities |
133. 7
GBP
|
— |
142,600,000
GBP
|
— | — |
| Cash flows from (used in) operating activities |
33 5.6
GBP
|
— |
129,500,000
GBP
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||
| Proceeds from sales of property, plant and equipment, classified as investing activities |
800,000
GBP
|
— |
300,000
GBP
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities |
2,000,000
GBP
|
— |
1,300,000
GBP
|
— | — |
| Interest paid, classified as investing activities |
11,600,000
GBP
|
— |
26,700,000
GBP
|
— | — |
| Cash flows from (used in) investing activities |
62. 1
GBP
|
— |
27 .7
GBP
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||
| Payments to acquire or redeem entity's shares |
155,400,000
GBP
|
— |
63,700,000
GBP
|
— | — |
| Payments of lease liabilities, classified as financing activities |
2,300,000
GBP
|
— |
1,900,000
GBP
|
— | — |
| Cash flows from (used in) financing activities |
256,200,000
GBP
|
— |
342. 1
GBP
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes |
141,500,000
GBP
|
— |
499,300,000
GBP
|
— | — |
| Cash and cash equivalents | — |
1,070. 4
GBP
|
— |
928,900,000
GBP
|
1,428,200,000
GBP
|