Statement Of Cash Flows [Abstract]
| Concept |
2022-04-01 to 2023-03-31 |
As at 2023-03-31 |
As at 2022-03-31 |
2021-04-01 to 2022-03-31 |
|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||
| Cash flows from (used in) operating activities [abstract] | ||||
| Cash flows from (used in) operations |
348,900,000
GBP
|
— | — |
41,800,000
GBP
|
| Interest paid, classified as operating activities |
77,000,000
GBP
|
— | — |
54,900,000
GBP
|
| Interest received, classified as operating activities |
14,800,000
GBP
|
— | — |
9,900,000
GBP
|
| Income taxes paid (refund), classified as operating activities |
25,400,000
GBP
|
— | — |
10,000,000
GBP
|
| Cash flows from (used in) operating activities |
261,300,000
GBP
|
— | — |
6,800,000
GBP
|
| Cash flows from (used in) investing activities [abstract] | ||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities |
158,600,000
GBP
|
— | — |
420,700,000
GBP
|
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities |
–
GBP
|
— | — |
15,500,000
GBP
|
| Other cash payments to acquire interests in joint ventures, classified as investing activities |
–
GBP
|
— | — |
2,600,000
GBP
|
| Proceeds from sales of property, plant and equipment, classified as investing activities |
38,500,000
GBP
|
— | — |
68,000,000
GBP
|
| Purchase of property, plant and equipment, classified as investing activities |
104,200,000
GBP
|
— | — |
190,800,000
GBP
|
| Proceeds from sales of intangible assets, classified as investing activities |
400,000
GBP
|
— | — |
–
GBP
|
| Purchase of intangible assets, classified as investing activities |
20,900,000
GBP
|
— | — |
12,400,000
GBP
|
| Cash advances and loans made to other parties, classified as investing activities |
–
GBP
|
— | — |
1,400,000
GBP
|
| Cash receipts from repayment of advances and loans made to other parties, classified as investing activities |
2,400,000
GBP
|
— | — |
31,000,000
GBP
|
| Dividends received, classified as investing activities |
8,700,000
GBP
|
— | — |
41,600,000
GBP
|
| Cash flows from (used in) investing activities |
83,500,000
GBP
|
— | — |
338,600,000
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||||
| Proceeds from borrowings, classified as financing activities |
416,600,000
GBP
|
— | — |
23,100,000
GBP
|
| Repayments of borrowings, classified as financing activities |
972,800,000
GBP
|
— | — |
31,700,000
GBP
|
| Payments of lease liabilities, classified as financing activities |
108,500,000
GBP
|
— | — |
113,000,000
GBP
|
| Cash flows from (used in) financing activities |
666,100,000
GBP
|
— | — |
122,700,000
GBP
|
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes |
321,300,000
GBP
|
— | — |
222,700,000
GBP
|
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||
| Effect of exchange rate changes on cash and cash equivalents |
5,700,000
GBP
|
— | — |
2,900,000
GBP
|
| Cash and cash equivalents | — |
451,700,000
GBP
|
1,146,300,000
GBP
|
— |