Statement Of Cash Flows [Abstract]
| Concept |
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 |
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 |
2020-09-01 to 2021-08-31 |
2020-09-01 to 2021-08-31 |
2020-09-01 to 2021-08-31 |
2020-09-01 to 2021-08-31 |
As at 2021-08-31 |
2020-09-01 to 2021-08-31 |
2020-09-01 to 2021-08-31 |
2020-09-01 to 2021-08-31 |
2020-09-01 to 2021-08-31 |
As at 2020-08-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||||
| Profit (loss) |
–
GBP
|
3 0 . 8
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
3 0 . 8
GBP
|
–
GBP
|
12 8 . 4
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
12 8 . 4
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||||||||
| Adjustments for decrease (increase) in inventories | — |
2 5 8 .7
GBP
|
— | — | — | — | — | — | — |
226. 7
GBP
|
— | — | — | — | — | — | — | — | — |
| Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss | — |
19 . 2
GBP
|
— | — | — | — | — | — | — |
0 .1
GBP
|
— | — | — | — | — | — | — | — | — |
| Adjustments for share-based payments | — |
600,000
GBP
|
— | — | — | — | — | — | — |
7. 6
GBP
|
— | — | — | — | — | — | — | — | — |
| Other adjustments for non-cash items | — |
4 . 9
GBP
|
— | — | — | — | — | — | — |
7. 0
GBP
|
— | — | — | — | — | — | — | — | — |
| Income taxes paid (refund), classified as operating activities | — |
3,400,000
GBP
|
— | — | — | — | — | — | — |
3 7. 0
GBP
|
— | — | — | — | — | — | — | — | — |
| Cash flows from (used in) operating activities | — |
12 0 . 4
GBP
|
— | — | — | — | — | — | — |
21 5 .1
GBP
|
— | — | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
–
GBP
|
— | — | — | — | — | — | — |
286,400,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — |
73,700,000
GBP
|
— | — | — | — | — | — | — |
5 5 .1
GBP
|
— | — | — | — | — | — | — | — | — |
| Purchase of intangible assets, classified as investing activities | — |
10 9. 2
GBP
|
— | — | — | — | — | — | — |
1 0 2 . 0
GBP
|
— | — | — | — | — | — | — | — | — |
| Dividends received, classified as investing activities | — |
–
GBP
|
— | — | — | — | — | — | — |
0 .1
GBP
|
— | — | — | — | — | — | — | — | — |
| Interest received, classified as investing activities | — |
900,000
GBP
|
— | — | — | — | — | — | — |
200,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities | — |
18 2 . 0
GBP
|
— | — | — | — | — | — | — |
4 4 3 . 2
GBP
|
— | — | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||||
| Proceeds from borrowings, classified as financing activities | — |
–
GBP
|
— | — | — | — | — | — | — |
2 1. 9
GBP
|
— | — | — | — | — | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — |
2 6 . 3
GBP
|
— | — | — | — | — | — | — |
23,900,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Interest paid, classified as financing activities | — |
1 1 .1
GBP
|
— | — | — | — | — | — | — |
5 .7
GBP
|
— | — | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities | — |
3 7. 4
GBP
|
— | — | — | — | — | — | — |
4 83.4
GBP
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
3 3 9 . 8
GBP
|
— | — | — | — | — | — | — |
255,300,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
0 .1
GBP
|
— | — | — | — | — | — | — |
0 .1
GBP
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
323 .0
GBP
|
— | — | — | — | — | — |
6 6 2 .7
GBP
|
— | — | — | — |
4 0 7. 5
GBP
|