Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-09-03 |
As at 2022-08-31 |
As at 2021-08-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
3 62 .6
GBP
|
3 51. 7
GBP
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
70 0.5
GBP
|
68 3.9
GBP
|
— |
| Investment property [abstract] | |||
| Investment property |
10 . 9
GBP
|
–
GBP
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current derivative financial assets |
4 .1
GBP
|
2 7. 0
GBP
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
81. 4
GBP
|
88,200,000
GBP
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
76 8. 0
GBP
|
1,078. 4
GBP
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
35 3.3
GBP
|
323,000,000
GBP
|
6 6 2 .7
GBP
|
| Miscellaneous current assets [abstract] | |||
| Current derivative financial assets |
22,400,000
GBP
|
41 . 4
GBP
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
67 1.3
GBP
|
4 7 4.5
GBP
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
1 . 5
GBP
|
1 . 4
GBP
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
6 8 0. 4
GBP
|
9 9 3 . 3
GBP
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current derivative financial liabilities |
500,000
GBP
|
11 . 6
GBP
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current derivative financial liabilities |
6. 0
GBP
|
21. 0
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
4,200,000
GBP
|
3 .5
GBP
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
46 6.8
GBP
|
683,300,000
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets (liabilities) |
8 6 6 .7
GBP
|
1, 014 . 9
GBP
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
1,2 3 4 . 5
GBP
|
1,5 5 4 . 0
GBP
|
— |
| Current liabilities |
7 15 . 2
GBP
|
1 , 0 4 0 . 0
GBP
|
— |
| Current assets (liabilities) |
519. 3
GBP
|
514 . 0
GBP
|
— |
| Assets less current liabilities [abstract] |