Statement Of Financial Position [Abstract]
| Concept |
As at 2024-07-31 |
As at 2024-07-31 |
As at 2024-07-31 |
As at 2024-07-31 |
As at 2024-07-31 |
As at 2024-07-31 |
As at 2023-07-31 |
As at 2023-07-31 |
As at 2023-07-31 |
As at 2023-07-31 |
As at 2023-07-31 |
As at 2023-07-31 |
As at 2022-07-31 |
As at 2022-07-31 |
As at 2022-07-31 |
As at 2022-07-31 |
As at 2022-07-31 |
As at 2022-07-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||
| Property, plant and equipment | — | — | — | — |
30,200,000
GBP
|
— | — |
31,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — |
9,800,000
GBP
|
— | — |
4,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Trade and other non-current receivables | — | — | — | — |
–
GBP
|
— | — |
–
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — |
–
GBP
|
— | — |
1,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets | — | — | — | — |
47,700,000
GBP
|
— | — |
38,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — |
88,600,000
GBP
|
— | — |
79,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||
| Current inventories | — | — | — | — |
4,714,800,000
GBP
|
— | — |
4,575,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables | — | — | — | — |
76,800,000
GBP
|
— | — |
88,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — |
119,500,000
GBP
|
— | — |
362,000,000
GBP
|
— | — | — | — | — | — | — |
375,300,000
GBP
|
— | — |
| Current assets | — | — | — | — |
4,911,100,000
GBP
|
— | — |
5,034,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — |
4,999,700,000
GBP
|
— | — |
5,114,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital | — | — | — | — |
14,800,000
GBP
|
— | — |
15,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — |
3,245,300,000
GBP
|
— | — |
3,242,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — |
183,200,000
GBP
|
— | — |
182,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — |
1,500,000
GBP
|
— | — |
1,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Equity |
183,200,000
GBP
|
20,600,000
GBP
|
14,800,000
GBP
|
3,245,300,000
GBP
|
3,465,400,000
GBP
|
1,500,000
GBP
|
182,000,000
GBP
|
3,461,600,000
GBP
|
15,000,000
GBP
|
3,242,700,000
GBP
|
20,400,000
GBP
|
1,500,000
GBP
|
182,000,000
GBP
|
15,400,000
GBP
|
3,148,900,000
GBP
|
3,367,800,000
GBP
|
20,000,000
GBP
|
1,500,000
GBP
|
| Liabilities [abstract] | ||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||
| Non-current provisions | — | — | — | — |
376,500,000
GBP
|
— | — |
403,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Trade and other non-current payables | — | — | — | — |
93,600,000
GBP
|
— | — |
107,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — |
700,000
GBP
|
— | — |
6,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — |
600,800,000
GBP
|
— | — |
647,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||
| Current provisions | — | — | — | — |
132,700,000
GBP
|
— | — |
104,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — | — | — |
792,900,000
GBP
|
— | — |
900,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — |
933,500,000
GBP
|
— | — |
1,005,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — |
1,534,300,000
GBP
|
— | — |
1,652,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — |