Basis of preparation - Narrative (Details) |
6 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2025
£ / $
€ / $
|
Dec. 31, 2024
£ / $
€ / $
|
Jun. 30, 2025
€ / $
£ / $
|
|
| Pound Sterling | |||
| Disclosure of foreign exchange rates [Line Items] | |||
| Weighted average exchange rate used in the translation of income statements | £ / $ | 0.75 | 0.78 | |
| Exchange rates used to translate assets and liabilities | £ / $ | 0.74 | 0.80 | 0.73 |
| Euro | |||
| Disclosure of foreign exchange rates [Line Items] | |||
| Weighted average exchange rate used in the translation of income statements | € / $ | 0.86 | 0.92 | |
| Exchange rates used to translate assets and liabilities | € / $ | 0.85 | 0.96 | 0.85 |