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 |
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
|
–
GBP
|
123,900,000
GBP
|
–
GBP
|
–
GBP
|
123,900,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
235,700,000
GBP
|
235,700,000
GBP
|
–
GBP
|
| Other comprehensive income [abstract] | ||||||||||||
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||
| Cash flow hedges [abstract] | ||||||||||||
| Gains (losses) on cash flow hedges, net of tax | — | — | — | — | — |
–
GBP
|
— | — | — | — |
9,800,000
GBP
|
— |
| Reclassification adjustments on cash flow hedges, net of tax | — | — | — | — | — |
300,000
GBP
|
— | — | — | — |
8,600,000
GBP
|
— |
| Financial assets measured at fair value through other comprehensive income [abstract] | ||||||||||||
| Other comprehensive income, net of tax, financial assets measured at fair value through other comprehensive income | — | — | — | — | — |
2 .1
GBP
|
— | — | — | — |
–
GBP
|
— |
| Other comprehensive income |
–
GBP
|
–
GBP
|
1,800,000
GBP
|
–
GBP
|
–
GBP
|
1,800,000
GBP
|
1,200,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
1,200,000
GBP
|
–
GBP
|
| Comprehensive income |
–
GBP
|
–
GBP
|
125,700,000
GBP
|
–
GBP
|
–
GBP
|
125,700,000
GBP
|
1,200,000
GBP
|
–
GBP
|
–
GBP
|
235,700,000
GBP
|
236,900,000
GBP
|
–
GBP
|