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 |
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
|