Statement Of Cash Flows [Abstract]
| Concept |
2022-08-01 to 2023-07-31 |
As at 2023-07-31 |
2021-08-01 to 2022-07-31 |
As at 2022-07-31 |
As at 2021-07-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Cash flows from (used in) operations |
372,900,000
GBP
|
— |
114,600,000
GBP
|
— | — |
| Interest paid, classified as operating activities |
6,900,000
GBP
|
— |
5,800,000
GBP
|
— | — |
| Income taxes paid (refund), classified as operating activities |
129,800,000
GBP
|
— |
63,800,000
GBP
|
— | — |
| Cash flows from (used in) operating activities |
236,200,000
GBP
|
— |
45,000,000
GBP
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||
| Proceeds from sales of property, plant and equipment, classified as investing activities |
100,000
GBP
|
— |
100,000
GBP
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities |
2,700,000
GBP
|
— |
500,000
GBP
|
— | — |
| Interest received, classified as investing activities |
6,900,000
GBP
|
— |
500,000
GBP
|
— | — |
| Cash flows from (used in) investing activities |
8,300,000
GBP
|
— |
35,300,000
GBP
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from issuing shares |
–
GBP
|
— |
2,200,000
GBP
|
— | — |
| Payments to acquire or redeem entity's shares |
–
GBP
|
— |
7,400,000
GBP
|
— | — |
| Payments of lease liabilities, classified as financing activities |
3,500,000
GBP
|
— |
2,900,000
GBP
|
— | — |
| Dividends paid, classified as financing activities |
171,700,000
GBP
|
— |
157,200,000
GBP
|
— | — |
| Cash flows from (used in) financing activities |
241,200,000
GBP
|
— |
165,300,000
GBP
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes |
13,300,000
GBP
|
— |
85,000,000
GBP
|
— | — |
| Cash and cash equivalents | — |
362,000,000
GBP
|
— |
375,300,000
GBP
|
460,300,000
GBP
|