Statement Of Cash Flows [Abstract]
| Concept |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
As at 2023-07-31 |
As at 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
As at 2021-07-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||||||
| Profit (loss) |
–
GBP
|
81,100,000
GBP
|
81,100,000
GBP
|
–
GBP
|
–
GBP
|
81,100,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— | — |
–
GBP
|
165,200,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
165,200,000
GBP
|
–
GBP
|
165,200,000
GBP
|
— |
| Cash flows from (used in) operations | — | — | — | — | — |
1,021,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
158,700,000
GBP
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
100,000
GBP
|
— | — | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — | — | — |
500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
100,000
GBP
|
— | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — | — | — | — |
8,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
7,100,000
GBP
|
— | — | — |
| Purchase of intangible assets, classified as investing activities | — | — | — | — | — |
53,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
51,300,000
GBP
|
— | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — |
62,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
58,400,000
GBP
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||||||
| Payments to acquire or redeem entity's shares | — | — | — | — | — |
5,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
9,500,000
GBP
|
— | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — | — | — |
16,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
15,100,000
GBP
|
— | — | — |
| Dividends paid, classified as financing activities | — | — | — | — | — |
99,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
95,500,000
GBP
|
— | — | — |
| Interest paid, classified as financing activities | — | — | — | — | — |
10,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
10,400,000
GBP
|
— | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — | — | — | — |
826,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
53,600,000
GBP
|
— | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — | — | — |
2,209,300,000
GBP
|
1,383,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
1,436,600,000
GBP
|