Statement Of Cash Flows [Abstract]
| Concept |
2022-11-01 to 2023-10-31 |
As at 2023-10-31 |
2022-11-01 to 2023-10-31 |
2022-11-01 to 2023-10-31 |
2022-11-01 to 2023-10-31 |
2022-11-01 to 2023-10-31 |
2022-11-01 to 2023-10-31 |
2022-11-01 to 2023-10-31 |
2022-11-01 to 2023-10-31 |
2021-11-01 to 2022-10-31 |
2021-11-01 to 2022-10-31 |
2021-11-01 to 2022-10-31 |
As at 2022-10-31 |
2021-11-01 to 2022-10-31 |
2021-11-01 to 2022-10-31 |
2021-11-01 to 2022-10-31 |
2021-11-01 to 2022-10-31 |
2021-11-01 to 2022-10-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||||||||||
| Profit (loss) |
—
GBP
|
— |
—
GBP
|
56,800,000
GBP
|
5,400,000
GBP
|
51,400,000
GBP
|
—
GBP
|
5,400,000
GBP
|
—
GBP
|
—
GBP
|
47,400,000
GBP
|
—
GBP
|
— |
—
GBP
|
56,800,000
GBP
|
9,400,000
GBP
|
47,400,000
GBP
|
—
GBP
|
| Cash flows from (used in) operations | — | — | — | — | — | — | — |
75,200,000
GBP
|
— | — |
89,000,000
GBP
|
— | — | — | — | — | — | — |
| Income taxes paid (refund), classified as operating activities | — | — | — | — | — | — | — |
9,300,000
GBP
|
— | — |
8,500,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — |
65,900,000
GBP
|
— | — |
80,500,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — | — | — | — | — |
7,200,000
GBP
|
— | — |
—
GBP
|
— | — | — | — | — | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — | — | — | — | — | — |
32,700,000
GBP
|
— | — |
31,500,000
GBP
|
— | — | — | — | — | — | — |
| Purchase of intangible assets, classified as investing activities | — | — | — | — | — | — | — |
1,500,000
GBP
|
— | — |
3,000,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — |
39,400,000
GBP
|
— | — |
30,500,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||||||||||
| Proceeds from issuing shares | — | — | — | — | — | — | — |
600,000
GBP
|
— | — |
100,000
GBP
|
— | — | — | — | — | — | — |
| Payments to acquire or redeem entity's shares | — | — | — | — | — | — | — |
14,000,000
GBP
|
— | — |
7,000,000
GBP
|
— | — | — | — | — | — | — |
| Proceeds from borrowings, classified as financing activities | — | — | — | — | — | — | — |
60,100,000
GBP
|
— | — |
30,000,000
GBP
|
— | — | — | — | — | — | — |
| Repayments of borrowings, classified as financing activities | — | — | — | — | — | — | — |
66,800,000
GBP
|
— | — |
41,000,000
GBP
|
— | — | — | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — | — | — | — | — |
1,800,000
GBP
|
— | — |
2,200,000
GBP
|
— | — | — | — | — | — | — |
| Dividends paid, classified as financing activities | — | — | — | — | — | — | — |
17,300,000
GBP
|
— | — |
14,400,000
GBP
|
— | — | — | — | — | — | — |
| Interest paid, classified as financing activities | — | — | — | — | — | — | — |
700,000
GBP
|
— | — |
1,300,000
GBP
|
— | — | — | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — |
40,200,000
GBP
|
— | — |
35,800,000
GBP
|
— | — | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — | — | — | — | — |
13,700,000
GBP
|
— | — |
14,200,000
GBP
|
— | — | — | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — | — | — | — | — |
300,000
GBP
|
— | — |
200,000
GBP
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — |
6,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
19,800,000
GBP
|
— | — | — | — | — |