Statement Of Cash Flows [Abstract]
| Concept |
As at 2023-03-31 |
2022-04-01 to 2023-03-31 |
2021-04-01 to 2022-03-31 |
As at 2022-03-31 |
As at 2021-03-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Cash flows from (used in) operations | — |
1 ,652.7
GBP
|
1,8 15.9
GBP
|
— | — |
| Dividends received, classified as operating activities | — |
296. 5
GBP
|
1 7 7. 0
GBP
|
— | — |
| Interest paid, classified as operating activities | — |
19 9. 9
GBP
|
273 . 5
GBP
|
— | — |
| Income taxes paid (refund), classified as operating activities | — |
255 . 3
GBP
|
91 . 5
GBP
|
— | — |
| Cash flows from (used in) operating activities | — |
1 ,494.0
GBP
|
1 , 6 2 7. 9
GBP
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — |
60,000,000
GBP
|
1 , 36 6 .9
GBP
|
— | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
642 . 7
GBP
|
14 5 . 3
GBP
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — |
1 , 47 9. 7
GBP
|
1, 27 3 .6
GBP
|
— | — |
| Purchase of intangible assets, classified as investing activities | — |
336 .4
GBP
|
182. 2
GBP
|
— | — |
| Cash flows from (used in) investing activities | — |
2,964,400,000
GBP
|
74 4 . 9
GBP
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from issuing shares | — |
18,000,000
GBP
|
6,300,000
GBP
|
— | — |
| Payments to acquire or redeem entity's shares | — |
107 .6
GBP
|
–
GBP
|
— | — |
| Proceeds from borrowings, classified as financing activities | — |
1 ,91 4.7
GBP
|
506. 1
GBP
|
— | — |
| Repayments of borrowings, classified as financing activities | — |
2 , 242. 5
GBP
|
960 .1
GBP
|
— | — |
| Cash flows from (used in) financing activities | — |
1 , 31 2 . 9
GBP
|
1 , 433 .9
GBP
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
1 5 7. 5
GBP
|
55 0.9
GBP
|
— | — |
| Cash and cash equivalents |
891 . 8
GBP
|
— | — |
1,0 4 9. 3
GBP
|
1,6 00. 2
GBP
|