Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2022-03-31 |
As at 2021-03-27 |
As at 2021-03-27 |
As at 2021-03-27 |
As at 2021-03-27 |
As at 2021-03-27 |
As at 2021-03-27 |
As at 2021-03-27 |
As at 2021-03-27 |
As at 2021-03-27 |
As at 2021-03-26 |
As at 2021-03-26 |
As at 2021-03-26 |
As at 2021-03-26 |
As at 2021-03-26 |
As at 2021-03-26 |
As at 2021-03-26 |
As at 2021-03-26 |
As at 2021-03-26 |
As at 2020-03-28 |
As at 2020-03-28 |
As at 2020-03-28 |
As at 2020-03-28 |
As at 2020-03-28 |
As at 2020-03-28 |
As at 2020-03-28 |
As at 2020-03-28 |
As at 2020-03-28 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of fair value measurement [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [abstract] | ||||||||||||||||||||||||||||
| Disclosure of fair value measurement of assets [line items] | ||||||||||||||||||||||||||||
| Assets |
378. 5
GBP
|
— | — |
3 7 7.1
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | ||||||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of liabilities [abstract] | ||||||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [line items] | ||||||||||||||||||||||||||||
| Liabilities |
216 .7
GBP
|
— | — |
26 5.7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, liabilities [abstract] | ||||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of equity [abstract] | ||||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [line items] | ||||||||||||||||||||||||||||
| Equity |
1 61. 8
GBP
|
31. 9
GBP
|
14 . 9
GBP
|
111 . 4
GBP
|
88,800,000
GBP
|
42 . 2
GBP
|
5 .7
GBP
|
0. 8
GBP
|
5,900,000
GBP
|
16. 4
GBP
|
161. 8
GBP
|
88,800,000
GBP
|
3 5 .1
GBP
|
42. 2
GBP
|
500,000
GBP
|
4. 2
GBP
|
3 1. 9
GBP
|
18 . 0
GBP
|
5,900,000
GBP
|
4 7. 8
GBP
|
42. 2
GBP
|
0 .1
GBP
|
9 3.2
GBP
|
8 3.8
GBP
|
15 . 2
GBP
|
5,900,000
GBP
|
9,600,000
GBP
|
56,200,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |