Statement Of Cash Flows [Abstract]
| Concept |
2021-10-01 to 2022-09-30 |
As at 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
As at 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
As at 2020-09-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||
| Profit (loss) |
229 .4
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
229. 4
GBP
|
–
GBP
|
10 9 . 5
GBP
|
— |
–
GBP
|
–
GBP
|
10 9. 5
GBP
|
–
GBP
|
–
GBP
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||||||
| Adjustments for income tax expense |
69. 2
GBP
|
— | — | — | — | — | — | — | — |
42 . 6
GBP
|
— | — | — | — | — | — | — |
| Adjustments for decrease (increase) in inventories |
24. 8
GBP
|
— | — | — | — | — | — | — | — |
62,200,000
GBP
|
— | — | — | — | — | — | — |
| Adjustments for depreciation and amortisation expense |
900,000
GBP
|
— | — | — | — | — | — | — | — |
1. 2
GBP
|
— | — | — | — | — | — | — |
| Adjustments for provisions |
8,400,000
GBP
|
— | — | — | — | — | — | — | — |
0 . 2
GBP
|
— | — | — | — | — | — | — |
| Adjustments for share-based payments |
1. 7
GBP
|
— | — | — | — | — | — | — | — |
1,700,000
GBP
|
— | — | — | — | — | — | — |
| Adjustments for losses (gains) on disposal of non-current assets |
1. 7
GBP
|
— | — | — | — | — | — | — | — |
1. 5
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) operations |
15 6 . 9
GBP
|
— | — | — | — | — | — | — | — |
2 1 1 .1
GBP
|
— | — | — | — | — | — | — |
| Interest paid, classified as operating activities |
42 .0
GBP
|
— | — | — | — | — | — | — | — |
45 .6
GBP
|
— | — | — | — | — | — | — |
| Income taxes paid (refund), classified as operating activities |
12 . 3
GBP
|
— | — | — | — | — | — | — | — |
16 . 9
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) operating activities |
10 2 . 0
GBP
|
— | — | — | — | — | — | — | — |
14 8 .0
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||
| Other cash payments to acquire interests in joint ventures, classified as investing activities |
6 . 4
GBP
|
— | — | — | — | — | — | — | — |
0. 8
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) investing activities |
2 74. 2
GBP
|
— | — | — | — | — | — | — | — |
3 15 . 9
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||
| Proceeds from issuing shares |
–
GBP
|
— | — | — | — | — | — | — | — |
2 0 4 .1
GBP
|
— | — | — | — | — | — | — |
| Payments to acquire or redeem entity's shares |
3 . 3
GBP
|
— | — | — | — | — | — | — | — |
0. 3
GBP
|
— | — | — | — | — | — | — |
| Proceeds from borrowings, classified as financing activities |
14. 2
GBP
|
— | — | — | — | — | — | — | — |
30,000,000
GBP
|
— | — | — | — | — | — | — |
| Repayments of borrowings, classified as financing activities |
0. 9
GBP
|
— | — | — | — | — | — | — | — |
7 7. 0
GBP
|
— | — | — | — | — | — | — |
| Dividends paid, classified as financing activities |
4 0 .0
GBP
|
— | — | — | — | — | — | — | — |
36 . 8
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) financing activities |
4 9. 5
GBP
|
— | — | — | — | — | — | — | — |
11 6 . 4
GBP
|
— | — | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes |
2 21. 7
GBP
|
— | — | — | — | — | — | — | — |
51. 5
GBP
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — |
95,900,000
GBP
|
— | — | — | — | — | — | — | — |
3 1 7. 6
GBP
|
— | — | — | — | — |
3 6 9 .1
GBP
|