Statement Of Changes In Equity [Abstract]
| Concept |
As at 2023-07-01 |
As at 2023-07-01 |
2022-07-03 to 2023-07-01 |
As at 2023-07-01 |
2022-07-03 to 2023-07-01 |
2022-07-03 to 2023-07-01 |
2022-07-03 to 2023-07-01 |
2022-07-03 to 2023-07-01 |
2022-07-03 to 2023-07-01 |
As at 2023-07-01 |
2022-07-03 to 2023-07-01 |
As at 2023-07-01 |
As at 2023-07-01 |
2021-06-27 to 2022-07-02 |
2021-06-27 to 2022-07-02 |
2021-06-27 to 2022-07-02 |
2021-06-27 to 2022-07-02 |
2021-06-27 to 2022-07-02 |
2021-06-27 to 2022-07-02 |
2021-06-27 to 2022-07-02 |
As at 2022-07-02 |
As at 2022-07-02 |
As at 2022-07-02 |
As at 2022-07-02 |
As at 2022-07-02 |
As at 2022-07-02 |
As at 2021-06-27 |
As at 2021-06-27 |
As at 2021-06-27 |
As at 2021-06-27 |
As at 2021-06-27 |
As at 2021-06-27 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||
| Equity |
6,900,000
GBP
|
137,500,000
GBP
|
— |
1,700,000
GBP
|
— | — | — | — | — |
43,200,000
GBP
|
— |
97,500,000
GBP
|
2,000,000
GBP
|
— | — | — | — | — | — | — |
1,700,000
GBP
|
2,000,000
GBP
|
20,200,000
GBP
|
43,200,000
GBP
|
111,200,000
GBP
|
178,300,000
GBP
|
1,600,000
GBP
|
2,000,000
GBP
|
4,300,000
GBP
|
43,200,000
GBP
|
238,700,000
GBP
|
281,200,000
GBP
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||
| Profit (loss) | — | — |
151,900,000
GBP
|
— |
—
GBP
|
—
GBP
|
151,900,000
GBP
|
—
GBP
|
—
GBP
|
— |
151,900,000
GBP
|
— | — |
171,200,000
GBP
|
—
GBP
|
—
GBP
|
171,200,000
GBP
|
—
GBP
|
—
GBP
|
171,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — |
7,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
27,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — |
144,500,000
GBP
|
— |
—
GBP
|
—
GBP
|
151,900,000
GBP
|
7,400,000
GBP
|
—
GBP
|
— |
144,500,000
GBP
|
— | — |
198,300,000
GBP
|
—
GBP
|
—
GBP
|
171,200,000
GBP
|
27,100,000
GBP
|
—
GBP
|
198,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Issue of equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
—
GBP
|
100,000
GBP
|
—
GBP
|
—
GBP
|
—
GBP
|
100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — | — |
—
GBP
|
—
GBP
|
163,300,000
GBP
|
—
GBP
|
—
GBP
|
— |
163,300,000
GBP
|
— | — | — |
—
GBP
|
—
GBP
|
282,100,000
GBP
|
—
GBP
|
—
GBP
|
282,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — |
—
GBP
|
—
GBP
|
4,800,000
GBP
|
—
GBP
|
—
GBP
|
— |
4,800,000
GBP
|
— | — | — |
—
GBP
|
—
GBP
|
4,800,000
GBP
|
—
GBP
|
—
GBP
|
4,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |