Statement Of Cash Flows [Abstract]
| Concept |
As at 2024-09-01 |
2023-09-04 to 2024-09-01 |
2022-09-01 to 2023-09-03 |
As at 2023-09-03 |
2021-09-01 to 2022-08-31 |
As at 2022-08-31 |
|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||
| Cash flows from (used in) operating activities [abstract] | ||||||
| Cash flows from (used in) operations | — |
2 1 7. 7
GBP
|
1. 9
GBP
|
— | — | — |
| Income taxes paid (refund), classified as operating activities | — |
10. 3
GBP
|
1 8.3
GBP
|
— | — | — |
| Cash flows from (used in) operating activities | — |
228,000,000
GBP
|
16,400,000
GBP
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||
| Purchase of property, plant and equipment, classified as investing activities | — |
3 6 . 4
GBP
|
41 . 7
GBP
|
— | — | — |
| Purchase of intangible assets, classified as investing activities | — |
9 7 .1
GBP
|
13 6 . 2
GBP
|
— | — | — |
| Interest received, classified as investing activities | — |
11 . 3
GBP
|
4,500,000
GBP
|
— | — | — |
| Cash flows from (used in) investing activities | — |
122 . 2
GBP
|
17 3 . 4
GBP
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||
| Proceeds from issuing shares | — |
–
GBP
|
7 7. 6
GBP
|
— | — | — |
| Proceeds from borrowings, classified as financing activities | — |
–
GBP
|
2 0 0.0
GBP
|
— | — | — |
| Repayments of borrowings, classified as financing activities | — |
500,000
GBP
|
2 51.7
GBP
|
— | — | — |
| Payments of lease liabilities, classified as financing activities | — |
25 . 5
GBP
|
22 . 4
GBP
|
— | — | — |
| Interest paid, classified as financing activities | — |
4 2 . 6
GBP
|
3 3 .6
GBP
|
— | — | — |
| Cash flows from (used in) financing activities | — |
6 8. 6
GBP
|
1 8 9 .1
GBP
|
— | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
3 7. 2
GBP
|
3 2 .1
GBP
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
500,000
GBP
|
— |
1. 8
GBP
|
— |
| Cash and cash equivalents |
3 9 1.0
GBP
|
— | — |
3 53.3
GBP
|
— |
323,000,000
GBP
|