Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-09-01 |
As at 2023-09-03 |
As at 2022-08-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
283,200,000
GBP
|
362. 6
GBP
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
5 14 . 0
GBP
|
70 0.5
GBP
|
— |
| Investment property [abstract] | |||
| Investment property |
7 .1
GBP
|
10 .9
GBP
|
— |
| Trade and other non-current receivables [abstract] | |||
| Trade and other non-current receivables |
3 .7
GBP
|
–
GBP
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current derivative financial assets |
0. 3
GBP
|
4 .1
GBP
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
53,400,000
GBP
|
81. 4
GBP
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
52 0.3
GBP
|
76 8. 0
GBP
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
3 9 1.0
GBP
|
3 53.3
GBP
|
323,000,000
GBP
|
| Miscellaneous current assets [abstract] | |||
| Current derivative financial assets |
9,500,000
GBP
|
22 .4
GBP
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
6 8 6 .5
GBP
|
6 7 1. 3
GBP
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
1. 6
GBP
|
1 .5
GBP
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
6 7 1.7
GBP
|
6 8 0. 4
GBP
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current derivative financial liabilities |
500,000
GBP
|
500,000
GBP
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current derivative financial liabilities |
6 .6
GBP
|
6,000,000
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
4,200,000
GBP
|
4,200,000
GBP
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
13 2 . 6
GBP
|
4 66.8
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets (liabilities) |
52 1.3
GBP
|
8 6 6 .7
GBP
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
1,1 4 6 . 4
GBP
|
1, 2 3 4 . 5
GBP
|
— |
| Current liabilities |
714. 0
GBP
|
7 15 . 2
GBP
|
— |
| Current assets (liabilities) |
432 .4
GBP
|
51 9. 3
GBP
|
— |
| Assets less current liabilities [abstract] |