Statement Of Cash Flows [Abstract]
| Concept |
2023-04-01 to 2024-03-31 |
As at 2024-03-31 |
As at 2023-03-31 |
2022-04-01 to 2023-03-31 |
As at 2022-03-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Cash flows from (used in) operations |
300,900,000
GBP
|
— | — |
413,000,000
GBP
|
— |
| Interest paid, classified as operating activities |
35,800,000
GBP
|
— | — |
14,600,000
GBP
|
— |
| Interest received, classified as operating activities |
4,800,000
GBP
|
— | — |
2,000,000
GBP
|
— |
| Income taxes paid (refund), classified as operating activities |
73,300,000
GBP
|
— | — |
93,900,000
GBP
|
— |
| Cash flows from (used in) operating activities |
196,600,000
GBP
|
— | — |
306,500,000
GBP
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities |
313,100,000
GBP
|
— | — |
237,200,000
GBP
|
— |
| Proceeds from sales of property, plant and equipment, classified as investing activities |
–
GBP
|
— | — |
100,000
GBP
|
— |
| Purchase of property, plant and equipment, classified as investing activities |
15,900,000
GBP
|
— | — |
18,600,000
GBP
|
— |
| Purchase of intangible assets, classified as investing activities |
35,700,000
GBP
|
— | — |
27,500,000
GBP
|
— |
| Cash flows from (used in) investing activities |
355,700,000
GBP
|
— | — |
270,500,000
GBP
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from issuing shares |
3,600,000
GBP
|
— | — |
4,800,000
GBP
|
— |
| Payments to acquire or redeem entity's shares |
1,500,000
GBP
|
— | — |
2,100,000
GBP
|
— |
| Proceeds from borrowings, classified as financing activities |
286,700,000
GBP
|
— | — |
83,200,000
GBP
|
— |
| Repayments of borrowings, classified as financing activities |
27,300,000
GBP
|
— | — |
58,100,000
GBP
|
— |
| Payments of lease liabilities, classified as financing activities |
18,500,000
GBP
|
— | — |
18,800,000
GBP
|
— |
| Dividends paid, classified as financing activities |
104,100,000
GBP
|
— | — |
88,600,000
GBP
|
— |
| Cash flows from (used in) financing activities |
138,900,000
GBP
|
— | — |
79,600,000
GBP
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes |
20,200,000
GBP
|
— | — |
43,600,000
GBP
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents |
4,300,000
GBP
|
— | — |
5,700,000
GBP
|
— |
| Cash and cash equivalents | — |
96,000,000
GBP
|
120,500,000
GBP
|
— |
158,400,000
GBP
|