Statement Of Cash Flows [Abstract]
| Concept |
2023-06-26 to 2024-06-30 |
As at 2024-06-30 |
2022-06-27 to 2023-06-25 |
As at 2023-06-25 |
|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||
| Cash flows from (used in) operating activities [abstract] | ||||
| Cash flows from (used in) operating activities |
115,900,000
GBP
|
— |
121,700,000
GBP
|
— |
| Cash flows from (used in) investing activities [abstract] | ||||
| Proceeds from sales of property, plant and equipment, classified as investing activities |
1,400,000
GBP
|
— |
1,300,000
GBP
|
— |
| Purchase of property, plant and equipment, classified as investing activities |
11,600,000
GBP
|
— |
20,400,000
GBP
|
— |
| Purchase of intangible assets, classified as investing activities |
10,000,000
GBP
|
— |
14,500,000
GBP
|
— |
| Interest received, classified as investing activities |
400,000
GBP
|
— |
200,000
GBP
|
— |
| Cash flows from (used in) investing activities |
19,800,000
GBP
|
— |
33,400,000
GBP
|
— |
| Cash flows from (used in) financing activities [abstract] | ||||
| Payments of lease liabilities, classified as financing activities |
67,600,000
GBP
|
— |
61,600,000
GBP
|
— |
| Interest paid, classified as financing activities |
18,800,000
GBP
|
— |
10,500,000
GBP
|
— |
| Cash flows from (used in) financing activities |
98,600,000
GBP
|
— |
66,600,000
GBP
|
— |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes |
2,500,000
GBP
|
— |
21,700,000
GBP
|
— |
| Cash and cash equivalents | — |
26,800,000
GBP
|
— |
26,700,000
GBP
|