Statement Of Cash Flows [Abstract]
| Concept |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
As at 2022-03-31 |
2021-04-01 to 2022-03-31 |
As at 2021-04-01 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
As at 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
As at 2020-04-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||||||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||||||||||||||||||||||
| Profit (loss) |
3,700,000
GBP
|
247,900,000
GBP
|
–
GBP
|
244,200,000
GBP
|
–
GBP
|
–
GBP
|
200,000
GBP
|
244,400,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
244,200,000
GBP
|
— |
–
GBP
|
— |
19,200,000
GBP
|
203,300,000
GBP
|
— |
222,500,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
203,300,000
GBP
|
–
GBP
|
–
GBP
|
203,400,000
GBP
|
–
GBP
|
100,000
GBP
|
— |
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — | — | — | — | — |
237,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
277,600,000
GBP
|
— | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||||||||||||||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — | — | — | — | — | — | — | — | — | — |
57,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
26,100,000
GBP
|
— | — | — | — | — | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — | — | — | — | — | — | — | — | — |
152,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
46,400,000
GBP
|
— | — | — | — | — | — |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — | — | — | — | — | — | — | — | — | — | — |
700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
3,400,000
GBP
|
— | — | — | — | — | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — | — | — | — | — | — | — | — | — | — |
1,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
900,000
GBP
|
— | — | — | — | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — | — | — | — | — | — | — | — | — | — |
25,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
22,800,000
GBP
|
— | — | — | — | — | — |
| Interest received, classified as investing activities | — | — | — | — | — | — | — | — | — | — | — |
200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
800,000
GBP
|
— | — | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — | — | — | — | — |
134,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
64,200,000
GBP
|
— | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||||||||||||||||||||||
| Payments to acquire or redeem entity's shares | — | — | — | — | — | — | — | — | — | — | — |
19,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
16,200,000
GBP
|
— | — | — | — | — | — |
| Proceeds from borrowings, classified as financing activities | — | — | — | — | — | — | — | — | — | — | — |
161,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
129,400,000
GBP
|
— | — | — | — | — | — |
| Repayments of borrowings, classified as financing activities | — | — | — | — | — | — | — | — | — | — | — |
132,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
136,700,000
GBP
|
— | — | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — | — | — | — | — | — | — | — | — |
14,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
14,100,000
GBP
|
— | — | — | — | — | — |
| Dividends paid, classified as financing activities | — | — | — | — | — | — | — | — | — | — | — |
68,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
63,700,000
GBP
|
— | — | — | — | — | — |
| Interest paid, classified as financing activities | — | — | — | — | — | — | — | — | — | — | — |
8,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
10,000,000
GBP
|
— | — | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — | — | — | — | — |
81,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
183,500,000
GBP
|
— | — | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||||||||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — | — | — | — | — | — | — | — | — |
4,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
4,200,000
GBP
|
— | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — | — | — | — | — | — | — | — | — | — |
20,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
29,900,000
GBP
|
— | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — | — | — | — | — | — |
156,700,000
GBP
|
— |
131,100,000
GBP
|
— | — |
131,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
105,400,000
GBP
|