Profit Or Loss [Abstract]

Oxford Instruments PLC - Filing #1669474

Concept	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	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31
Profit or loss [abstract]
Profit (loss) [abstract]
Revenue	—	—	—	—	—	— GBP	3 6 7. 3 GBP	3 6 7. 3 GBP	— GBP	318. 5 GBP	—	—	—	—	—	318 .5 GBP
Profit (loss) from operating activities	—	—	—	—	—	18 .0 GBP	66,300,000 GBP	48. 3 GBP	3 .7 GBP	56 .7 GBP	—	—	—	—	—	53 .0 GBP
Finance income	—	—	—	—	—	— GBP	0. 5 GBP	0. 5 GBP	— GBP	1 .1 GBP	—	—	—	—	—	1 .1 GBP
Finance costs	—	—	—	—	—	0. 3 GBP	900,000 GBP	1 . 2 GBP	— GBP	1 .9 GBP	—	—	—	—	—	1 .9 GBP
Profit (loss) before tax	—	—	—	—	—	18 .3 GBP	65,900,000 GBP	4 7. 6 GBP	3 .7 GBP	55,900,000 GBP	—	—	—	—	—	52. 2 GBP
Tax expense (income)	—	—	—	—	—	2 .7 GBP	11 . 7 GBP	9,000,000 GBP	400,000 GBP	10. 8 GBP	—	—	—	—	—	10 .4 GBP
Profit (loss) from continuing operations	—	—	—	—	—	—	—	38,600,000 GBP	—	—	—	—	—	—	—	41 . 8 GBP
Profit (loss)	— GBP	— GBP	38,600,000 GBP	— GBP	— GBP	—	—	38,600,000 GBP	—	—	— GBP	— GBP	— GBP	— GBP	41 . 8 GBP	41 . 8 GBP
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	—	—	—	—	—	15 .6 GBP	54. 2 GBP	38,600,000 GBP	3 .3 GBP	45 .1 GBP	—	—	—	—	—	41 . 8 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	—	—	—	—	—	—	94. 3	6 7. 1	—	78 .6	—	—	—	—	—	0.728
Diluted earnings per share [abstract]
Diluted earnings (loss) per share	—	—	—	—	—	—	93 .0	66. 2	—	7 7. 6	—	—	—	—	—	0.719