Statement Of Comprehensive Income [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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||
| Profit (loss) |
–
GBP
|
87,200,000
GBP
|
296,500,000
GBP
|
209,300,000
GBP
|
–
GBP
|
–
GBP
|
87,200,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
219,200,000
GBP
|
7,000,000
GBP
|
212,200,000
GBP
|
212,200,000
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — | — | — | — | — |
149,800,000
GBP
|
— | — | — | — | — | — |
131,200,000
GBP
|
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — | — | — | — | — | — |
46,700,000
GBP
|
— | — | — | — | — | — |
33,800,000
GBP
|
| Other comprehensive income | — | — | — | — | — | — |
196,500,000
GBP
|
— | — | — | — | — | — |
97,400,000
GBP
|
| Comprehensive income |
–
GBP
|
62,600,000
GBP
|
— | — |
46,700,000
GBP
|
–
GBP
|
109,300,000
GBP
|
33,800,000
GBP
|
–
GBP
|
–
GBP
|
— | — |
81,000,000
GBP
|
114,800,000
GBP
|