Statement Of Cash Flows [Abstract]
| Concept |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
As at 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2024-04-01 to 2025-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
As at 2024-03-31 |
2023-04-01 to 2024-03-31 |
2023-04-01 to 2024-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||||||||||
| Profit (loss) |
—
GBP
|
—
GBP
|
1 50 .1
GBP
|
—
GBP
|
1 50 .1
GBP
|
— |
1 50 .1
GBP
|
—
GBP
|
—
GBP
|
100,000
GBP
|
—
GBP
|
—
GBP
|
16 3.8
GBP
|
163,800,000
GBP
|
163,900,000
GBP
|
— |
—
GBP
|
—
GBP
|
| Cash flows from (used in) operations | — | — | — | — | — | — |
34 5.0
GBP
|
— | — | — | — | — | — | — |
2 1 6 .1
GBP
|
— | — | — |
| Dividends received, classified as operating activities | — | — | — | — | — | — |
1 .1
GBP
|
— | — | — | — | — | — | — |
1 .0
GBP
|
— | — | — |
| Interest received, classified as operating activities | — | — | — | — | — | — |
19. 3
GBP
|
— | — | — | — | — | — | — |
18,100,000
GBP
|
— | — | — |
| Income taxes paid (refund), classified as operating activities | — | — | — | — | — | — |
4 3 . 7
GBP
|
— | — | — | — | — | — | — |
5 9 . 8
GBP
|
— | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — |
318,400,000
GBP
|
— | — | — | — | — | — | — |
171 .8
GBP
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||||||||||
| Purchase of property, plant and equipment, classified as investing activities | — | — | — | — | — | — |
4 . 4
GBP
|
— | — | — | — | — | — | — |
2 . 5
GBP
|
— | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — |
7. 8
GBP
|
— | — | — | — | — | — | — |
4 . 4
GBP
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||||||||||
| Payments of lease liabilities, classified as financing activities | — | — | — | — | — | — |
1 0.1
GBP
|
— | — | — | — | — | — | — |
1 0.1
GBP
|
— | — | — |
| Dividends paid, classified as financing activities | — | — | — | — | — | — |
1 07. 2
GBP
|
— | — | — | — | — | — | — |
1 1 5 . 8
GBP
|
— | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — |
1 65.4
GBP
|
— | — | — | — | — | — | — |
1 6 3 . 8
GBP
|
— | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — | — | — | — |
145 . 2
GBP
|
— | — | — | — | — | — | — |
3,600,000
GBP
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — | — | — | — |
2 .6
GBP
|
— | — | — | — | — | — | — |
1 7. 4
GBP
|
— | — | — |
| Cash and cash equivalents | — | — | — | — | — |
38 6.6
GBP
|
— | — | — | — | — | — | — | — | — |
375 .3
GBP
|
— | — |