Statement Of Cash Flows [Abstract]
| Concept |
2023-08-01 to 2024-07-31 |
2023-08-01 to 2024-07-31 |
2023-08-01 to 2024-07-31 |
2023-08-01 to 2024-07-31 |
2023-08-01 to 2024-07-31 |
2023-08-01 to 2024-07-31 |
As at 2024-07-31 |
2022-08-01 to 2023-07-31 |
As at 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 2022-07-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||
| Profit (loss) |
130,500,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
130,500,000
GBP
|
–
GBP
|
— |
365,000,000
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
365,000,000
GBP
|
–
GBP
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||||
| Adjustments for income tax expense |
53,200,000
GBP
|
— | — | — | — | — | — |
118,000,000
GBP
|
— | — | — | — | — | — | — |
| Adjustments for finance costs |
36,300,000
GBP
|
— | — | — | — | — | — |
30,800,000
GBP
|
— | — | — | — | — | — | — |
| Adjustments for decrease (increase) in inventories |
139,200,000
GBP
|
— | — | — | — | — | — |
152,000,000
GBP
|
— | — | — | — | — | — | — |
| Adjustments for provisions |
16,100,000
GBP
|
— | — | — | — | — | — |
55,700,000
GBP
|
— | — | — | — | — | — | — |
| Adjustments for share-based payments |
4,500,000
GBP
|
— | — | — | — | — | — |
4,500,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) operations |
20,200,000
GBP
|
— | — | — | — | — | — |
372,900,000
GBP
|
— | — | — | — | — | — | — |
| Interest paid, classified as operating activities |
6,800,000
GBP
|
— | — | — | — | — | — |
6,900,000
GBP
|
— | — | — | — | — | — | — |
| Income taxes paid (refund), classified as operating activities |
38,500,000
GBP
|
— | — | — | — | — | — |
129,800,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) operating activities |
65,500,000
GBP
|
— | — | — | — | — | — |
236,200,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||
| Proceeds from sales of property, plant and equipment, classified as investing activities |
–
GBP
|
— | — | — | — | — | — |
100,000
GBP
|
— | — | — | — | — | — | — |
| Purchase of property, plant and equipment, classified as investing activities |
1,400,000
GBP
|
— | — | — | — | — | — |
2,700,000
GBP
|
— | — | — | — | — | — | — |
| Interest received, classified as investing activities |
5,300,000
GBP
|
— | — | — | — | — | — |
6,900,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) investing activities |
8,000,000
GBP
|
— | — | — | — | — | — |
8,300,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||
| Proceeds from changes in ownership interests in subsidiaries that do not result in loss of control |
–
GBP
|
— | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — |
| Proceeds from issuing shares |
1,200,000
GBP
|
— | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — |
| Payments to acquire or redeem entity's shares |
34,900,000
GBP
|
— | — | — | — | — | — |
66,000,000
GBP
|
— | — | — | — | — | — | — |
| Payments of lease liabilities, classified as financing activities |
3,600,000
GBP
|
— | — | — | — | — | — |
3,500,000
GBP
|
— | — | — | — | — | — | — |
| Dividends paid, classified as financing activities |
131,700,000
GBP
|
— | — | — | — | — | — |
171,700,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) financing activities |
169,000,000
GBP
|
— | — | — | — | — | — |
241,200,000
GBP
|
— | — | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes |
242,500,000
GBP
|
— | — | — | — | — | — |
13,300,000
GBP
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
119,500,000
GBP
|
— |
362,000,000
GBP
|
— | — | — | — | — |
375,300,000
GBP
|