Statement Of Cash Flows [Abstract]
| Concept |
2022-09-01 to 2023-09-03 |
As at 2023-09-03 |
2022-09-01 to 2023-09-03 |
2022-09-01 to 2023-09-03 |
2022-09-01 to 2023-09-03 |
2022-09-01 to 2023-09-03 |
2022-09-01 to 2023-09-03 |
2022-09-01 to 2023-09-03 |
2021-09-01 to 2022-08-31 |
2021-09-01 to 2022-08-31 |
2021-09-01 to 2022-08-31 |
2021-09-01 to 2022-08-31 |
As at 2022-08-31 |
2021-09-01 to 2022-08-31 |
2021-09-01 to 2022-08-31 |
2021-09-01 to 2022-08-31 |
As at 2021-08-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||
| Profit (loss) |
2 2 3 .1
GBP
|
— |
–
GBP
|
–
GBP
|
2 2 3 .1
GBP
|
17 0 . 2
GBP
|
52 . 9
GBP
|
–
GBP
|
–
GBP
|
30,800,000
GBP
|
–
GBP
|
–
GBP
|
— |
4 7 .5
GBP
|
16 .7
GBP
|
30,800,000
GBP
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||||||
| Adjustments for decrease (increase) in inventories |
310. 4
GBP
|
— | — | — | — | — | — | — | — |
2 5 8 .7
GBP
|
— | — | — | — | — | — | — |
| Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss |
3 2 .1
GBP
|
— | — | — | — | — | — | — | — |
19. 2
GBP
|
— | — | — | — | — | — | — |
| Adjustments for provisions |
16 . 8
GBP
|
— | — | — | — | — | — | — | — |
1. 3
GBP
|
— | — | — | — | — | — | — |
| Adjustments for share-based payments |
5,200,000
GBP
|
— | — | — | — | — | — | — | — |
600,000
GBP
|
— | — | — | — | — | — | — |
| Other adjustments for non-cash items |
1. 8
GBP
|
— | — | — | — | — | — | — | — |
4 . 9
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) operations |
1. 9
GBP
|
— | — | — | — | — | — | — | — |
12 3 . 8
GBP
|
— | — | — | — | — | — | — |
| Income taxes paid (refund), classified as operating activities |
18 . 3
GBP
|
— | — | — | — | — | — | — | — |
3,400,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) operating activities |
16 . 4
GBP
|
— | — | — | — | — | — | — | — |
12 0 . 4
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||
| Purchase of property, plant and equipment, classified as investing activities |
41 .7
GBP
|
— | — | — | — | — | — | — | — |
73 .7
GBP
|
— | — | — | — | — | — | — |
| Purchase of intangible assets, classified as investing activities |
1 36.2
GBP
|
— | — | — | — | — | — | — | — |
10 9 . 2
GBP
|
— | — | — | — | — | — | — |
| Interest received, classified as investing activities |
4,500,000
GBP
|
— | — | — | — | — | — | — | — |
900,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) investing activities |
17 3 . 4
GBP
|
— | — | — | — | — | — | — | — |
18 2 . 0
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||
| Proceeds from issuing shares |
7 7. 6
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — |
| Proceeds from borrowings, classified as financing activities |
2 0 0.0
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — |
| Repayments of borrowings, classified as financing activities |
251,700,000
GBP
|
— | — | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — |
| Payments of lease liabilities, classified as financing activities |
2 2 . 4
GBP
|
— | — | — | — | — | — | — | — |
2 6 . 3
GBP
|
— | — | — | — | — | — | — |
| Interest paid, classified as financing activities |
3 3 . 6
GBP
|
— | — | — | — | — | — | — | — |
11 .1
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) financing activities |
1 8 9 .1
GBP
|
— | — | — | — | — | — | — | — |
3 7. 4
GBP
|
— | — | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes |
3 2 .1
GBP
|
— | — | — | — | — | — | — | — |
339 .8
GBP
|
— | — | — | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents |
1. 8
GBP
|
— | — | — | — | — | — | — | — |
0 .1
GBP
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — |
35 3.3
GBP
|
— | — | — | — | — | — | — | — | — | — |
323,000,000
GBP
|
— | — | — |
6 6 2 .7
GBP
|