Statement Of Cash Flows [Abstract]
| Concept |
As at 2023-01-31 |
2022-02-01 to 2023-01-31 |
As at 2022-01-31 |
2021-02-01 to 2022-01-31 |
As at 2021-01-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Cash flows from (used in) operations | — |
23,100,000
GBP
|
— |
85,000,000
GBP
|
— |
| Interest paid, classified as operating activities | — |
37,600,000
GBP
|
— |
34,200,000
GBP
|
— |
| Interest received, classified as operating activities | — |
1,500,000
GBP
|
— |
300,000
GBP
|
— |
| Income taxes paid (refund), classified as operating activities | — |
900,000
GBP
|
— |
4,600,000
GBP
|
— |
| Cash flows from (used in) operating activities | — |
13,900,000
GBP
|
— |
46,500,000
GBP
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
900,000
GBP
|
— |
–
GBP
|
— |
| Cash flows from (used in) investing activities | — |
4,100,000
GBP
|
— |
27,300,000
GBP
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from borrowings, classified as financing activities | — |
–
GBP
|
— |
250,000,000
GBP
|
— |
| Repayments of borrowings, classified as financing activities | — |
46,400,000
GBP
|
— |
170,000,000
GBP
|
— |
| Payments of lease liabilities, classified as financing activities | — |
7,800,000
GBP
|
— |
3,600,000
GBP
|
— |
| Cash flows from (used in) financing activities | — |
54,200,000
GBP
|
— |
69,600,000
GBP
|
— |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
64,000,000
GBP
|
— |
88,800,000
GBP
|
— |
| Cash and cash equivalents |
191,700,000
GBP
|
— |
255,700,000
GBP
|
— |
166,900,000
GBP
|