Statement Of Changes In Equity [Abstract]

Oxford Instruments PLC - Filing #6456533

Concept	As at 2025-03-31	As at 2025-03-31	2024-04-01 to 2025-03-31	As at 2025-03-31	2024-04-01 to 2025-03-31	As at 2025-03-31	As at 2025-03-31	2024-04-01 to 2025-03-31	2024-04-01 to 2025-03-31	As at 2025-03-31	2024-04-01 to 2025-03-31	2024-04-01 to 2025-03-31	2023-04-01 to 2024-03-31	As at 2024-03-31	As at 2024-03-31	As at 2024-03-31	As at 2024-03-31	2023-04-01 to 2024-03-31	As at 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	As at 2024-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	0. 2 GBP	376 . 1 GBP	—	62 .6 GBP	—	2,900,000 GBP	30 5.0 GBP	—	—	5,400,000 GBP	—	—	—	0. 2 GBP	2 92 .6 GBP	62 .6 GBP	2,900,000 GBP	—	365 .7 GBP	—	—	—	—	7. 4 GBP	3 4 4.0 GBP	62,600,000 GBP	2,900,000 GBP	265 .4 GBP	12,900,000 GBP	0. 2 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	26,000,000 GBP	—	2 6.0 GBP	—	—	– GBP	– GBP	—	– GBP	– GBP	– GBP	—	—	—	—	50. 7 GBP	—	– GBP	– GBP	50,700,000 GBP	– GBP	—	—	—	—	—	—	—
Other comprehensive income	—	—	2 .9 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2 0.1 GBP	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	—	12 .1 GBP	—	12 . 1 GBP	—	—	– GBP	– GBP	—	– GBP	– GBP	– GBP	—	—	—	—	1 1 .4 GBP	—	– GBP	– GBP	11 .4 GBP	– GBP	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	—	0. 1 GBP	—	0. 1 GBP	—	—	– GBP	– GBP	—	– GBP	– GBP	– GBP	—	—	—	—	3,000,000 GBP	—	– GBP	– GBP	3 .0 GBP	– GBP	—	—	—	—	—	—	—