Profit Or Loss [Abstract]

Oxford Instruments PLC - Filing #1909207

Concept	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31
Profit or loss [abstract]
Profit (loss) [abstract]
Revenue	– GBP	444,700,000 GBP	—	—	—	—	—	444,700,000 GBP	—	—	—	—	– GBP	3 6 7. 3 GBP	—	3 6 7. 3 GBP
Profit (loss) from operating activities	8,100,000 GBP	80. 5 GBP	—	—	—	—	—	72 .4 GBP	—	—	—	—	18 .0 GBP	66,300,000 GBP	—	48 .3 GBP
Finance income	– GBP	2 .7 GBP	—	—	—	—	—	2 .7 GBP	—	—	—	—	– GBP	0. 5 GBP	—	0. 5 GBP
Finance costs	0. 4 GBP	1 . 2 GBP	—	—	—	—	—	1 .6 GBP	—	—	—	—	0. 3 GBP	0. 9 GBP	—	1 . 2 GBP
Profit (loss) before tax	8 . 5 GBP	82 .0 GBP	—	—	—	—	—	73 .5 GBP	—	—	—	—	18. 3 GBP	65,900,000 GBP	—	47. 6 GBP
Tax expense (income)	2,100,000 GBP	1 7. 0 GBP	—	—	—	—	—	1 4.9 GBP	—	—	—	—	2,700,000 GBP	11 .7 GBP	—	9,000,000 GBP
Profit (loss)	—	—	– GBP	– GBP	– GBP	– GBP	5 8.6 GBP	58,600,000 GBP	– GBP	– GBP	38,600,000 GBP	– GBP	—	—	– GBP	38,600,000 GBP
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	6. 4 GBP	65,000,000 GBP	—	—	—	—	—	58,600,000 GBP	—	—	—	—	15 .6 GBP	5 4. 2 GBP	—	38,600,000 GBP
Earnings per share [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Earnings per share [abstract]
Earnings per share [line items]
Basic earnings per share [abstract]
Basic earnings (loss) per share	—	112 .7	—	—	—	—	—	101 . 6	—	—	—	—	—	0.943	—	6 7. 1
Diluted earnings per share [abstract]
Diluted earnings (loss) per share	—	111 . 3	—	—	—	—	—	100. 3	—	—	—	—	—	0.930	—	66. 2