Statement Of Comprehensive Income [Abstract]
| Concept |
2021-03-01 to 2022-02-28 |
2021-03-01 to 2022-02-28 |
2021-03-01 to 2022-02-28 |
2021-03-01 to 2022-02-28 |
2021-03-01 to 2022-02-28 |
2021-03-01 to 2022-02-28 |
2021-03-01 to 2022-02-28 |
2021-03-01 to 2022-02-28 |
2020-03-01 to 2021-02-28 |
2020-03-01 to 2021-02-28 |
2020-03-01 to 2021-02-28 |
2020-03-01 to 2021-02-28 |
2020-03-01 to 2021-02-28 |
2020-03-01 to 2021-02-28 |
2020-03-01 to 2021-02-28 |
2020-03-01 to 2021-02-28 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||
| Profit (loss) |
–
GBP
|
–
GBP
|
13,919,000
GBP
|
–
GBP
|
8,539,000
GBP
|
5,380,000
GBP
|
–
GBP
|
13,919,000
GBP
|
4,532,000
GBP
|
–
GBP
|
152,000
GBP
|
4,380,000
GBP
|
–
GBP
|
4,532,000
GBP
|
–
GBP
|
–
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans |
–
GBP
|
–
GBP
|
1,318,000
GBP
|
–
GBP
|
— | — |
–
GBP
|
1,318,000
GBP
|
424,000
GBP
|
–
GBP
|
— | — |
–
GBP
|
424,000
GBP
|
–
GBP
|
–
GBP
|
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||
| Cash flow hedges [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, cash flow hedges |
1,968,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— | — |
–
GBP
|
1,968,000
GBP
|
–
GBP
|
–
GBP
|
— | — |
–
GBP
|
1,790,000
GBP
|
1,790,000
GBP
|
–
GBP
|
| Other comprehensive income |
970,000
GBP
|
–
GBP
|
1,318,000
GBP
|
–
GBP
|
— | — |
–
GBP
|
348,000
GBP
|
424,000
GBP
|
–
GBP
|
— | — |
–
GBP
|
1,807,000
GBP
|
2,232,000
GBP
|
–
GBP
|
| Comprehensive income |
970,000
GBP
|
–
GBP
|
15,237,000
GBP
|
–
GBP
|
— | — |
–
GBP
|
14,267,000
GBP
|
4,108,000
GBP
|
— | — | — | — |
6,340,000
GBP
|
2,232,000
GBP
|
— |
| Comprehensive income attributable to [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — |
14,267,000
GBP
|
— | — | — | — | — |
6,340,000
GBP
|
— | — |