Profit Or Loss [Abstract]
| Concept |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||||||||
| Profit (loss) [abstract] | ||||||||||||
| Profit (loss) from operating activities |
241,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
324,600,000
GBP
|
| Finance income |
1,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
1,800,000
GBP
|
| Finance costs |
7,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
1,400,000
GBP
|
| Profit (loss) before tax |
246,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
325,000,000
GBP
|
| Tax expense (income) |
3,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
24,300,000
GBP
|
| Profit (loss) |
243,400,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
243,400,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
300,700,000
GBP
|
–
GBP
|
–
GBP
|
300,700,000
GBP
|
| Earnings per share [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Earnings per share [abstract] | ||||||||||||
| Earnings per share [line items] | ||||||||||||
| Basic earnings per share [abstract] | ||||||||||||
| Basic earnings (loss) per share |
1.59
|
— | — | — | — | — | — | — | — | — | — |
2.00
|
| Diluted earnings per share [abstract] | ||||||||||||
| Diluted earnings (loss) per share |
1.58
|
— | — | — | — | — | — | — | — | — | — |
1.98
|