Statement Of Financial Position [Abstract]
| Concept |
As at 2024-09-01 |
As at 2024-09-01 |
As at 2024-09-01 |
As at 2024-09-01 |
As at 2024-09-01 |
As at 2023-09-03 |
As at 2023-09-03 |
As at 2023-09-03 |
As at 2023-09-03 |
As at 2023-09-03 |
As at 2022-08-31 |
As at 2022-08-31 |
As at 2022-08-31 |
As at 2022-08-31 |
As at 2022-08-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Non-current assets [abstract] | |||||||||||||||
| Property, plant and equipment |
283,200,000
GBP
|
— | — | — | — |
362. 6
GBP
|
— | — | — | — | — | — | — | — | — |
| Right-of-use assets |
254 .0
GBP
|
— | — | — | — |
29 5.2
GBP
|
— | — | — | — | — | — | — | — | — |
| Investment property |
7 .1
GBP
|
— | — | — | — |
10 .9
GBP
|
— | — | — | — | — | — | — | — | — |
| Trade and other non-current receivables |
3 .7
GBP
|
— | — | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets |
6 2.5
GBP
|
— | — | — | — |
1 7. 8
GBP
|
— | — | — | — | — | — | — | — | — |
| Non-current assets |
1, 124.8
GBP
|
— | — | — | — |
1 , 3 9 1 .1
GBP
|
— | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||
| Current inventories |
52 0.3
GBP
|
— | — | — | — |
76 8. 0
GBP
|
— | — | — | — | — | — | — | — | — |
| Trade and other current receivables |
53,400,000
GBP
|
— | — | — | — |
81. 4
GBP
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
3 9 1.0
GBP
|
— | — | — | — |
3 53.3
GBP
|
— | — | — | — | — |
323,000,000
GBP
|
— | — | — |
| Current assets other than non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
16 5. 5
GBP
|
— | — | — | — |
–
GBP
|
— | — | — | — | — | — | — | — | — |
| Current assets |
1,1 4 6 . 4
GBP
|
— | — | — | — |
1, 2 3 4 . 5
GBP
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital |
4,200,000
GBP
|
— | — | — | — |
4,200,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Retained earnings |
13 2 . 6
GBP
|
— | — | — | — |
4 66.8
GBP
|
— | — | — | — | — | — | — | — | — |
| Share premium |
322 .6
GBP
|
— | — | — | — |
32 2.6
GBP
|
— | — | — | — | — | — | — | — | — |
| Other reserves |
6 1. 9
GBP
|
— | — | — | — |
7 3 .1
GBP
|
— | — | — | — | — | — | — | — | — |
| Equity |
52 1.3
GBP
|
4,200,000
GBP
|
322 .6
GBP
|
13 2 . 6
GBP
|
6 1. 9
GBP
|
8 6 6 .7
GBP
|
46 6.8
GBP
|
4,200,000
GBP
|
7 3 .1
GBP
|
322 .6
GBP
|
24 5 .7
GBP
|
1, 0 14 . 9
GBP
|
82,400,000
GBP
|
6 83.3
GBP
|
3,500,000
GBP
|
| Liabilities [abstract] | |||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||
| Non-current provisions |
8 6 .5
GBP
|
— | — | — | — |
6 8. 2
GBP
|
— | — | — | — | — | — | — | — | — |
| Non-current liabilities |
1,035,900,000
GBP
|
— | — | — | — |
1,043,700,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||
| Current provisions [abstract] | |||||||||||||||
| Current provisions |
2 .7
GBP
|
— | — | — | — |
2,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Trade and other current payables |
6 7 1.7
GBP
|
— | — | — | — |
6 8 0. 4
GBP
|
— | — | — | — | — | — | — | — | — |
| Current liabilities |
714. 0
GBP
|
— | — | — | — |
7 15 . 2
GBP
|
— | — | — | — | — | — | — | — | — |