Profit Or Loss [Abstract]

Chemring Group PLC - Filing #3476158

Concept	2021-11-01 to 2022-10-31	2021-11-01 to 2022-10-31	2021-11-01 to 2022-10-31	2021-11-01 to 2022-10-31	2021-11-01 to 2022-10-31	2021-11-01 to 2022-10-31	2021-11-01 to 2022-10-31	2021-11-01 to 2022-10-31	2020-11-01 to 2021-10-31	2020-11-01 to 2021-10-31	2020-11-01 to 2021-10-31	2020-11-01 to 2021-10-31	2020-11-01 to 2021-10-31	2020-11-01 to 2021-10-31	2020-11-01 to 2021-10-31	2020-11-01 to 2021-10-31	2020-11-01 to 2021-10-31	2020-11-01 to 2021-10-31
Profit or loss [abstract]
Profit (loss) [abstract]
Revenue	—	442,800,000 GBP	442,800,000 GBP	— GBP	—	—	—	—	—	—	—	—	393,300,000 GBP	—	— GBP	—	393,300,000 GBP	—
Profit (loss) from operating activities	—	53,300,000 GBP	64,000,000 GBP	10,700,000 GBP	—	—	—	—	—	—	—	—	57,500,000 GBP	—	7,100,000 GBP	—	50,400,000 GBP	—
Finance costs	—	1,500,000 GBP	1,500,000 GBP	— GBP	—	—	—	—	—	—	—	—	1,600,000 GBP	—	— GBP	—	1,600,000 GBP	—
Profit (loss) before tax	—	51,800,000 GBP	62,500,000 GBP	10,700,000 GBP	—	—	—	—	—	—	—	—	55,900,000 GBP	—	7,100,000 GBP	—	48,800,000 GBP	—
Tax expense (income)	—	4,400,000 GBP	5,700,000 GBP	1,300,000 GBP	—	—	—	—	—	—	—	—	8,300,000 GBP	—	1,000,000 GBP	—	7,300,000 GBP	—
Profit (loss)	— GBP	47,400,000 GBP	56,800,000 GBP	9,400,000 GBP	— GBP	— GBP	47,400,000 GBP	— GBP	— GBP	— GBP	— GBP	41,500,000 GBP	47,600,000 GBP	— GBP	6,100,000 GBP	— GBP	41,500,000 GBP	— GBP
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	—	47,400,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	41,500,000 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	—	0.169	0.202	—	—	—	—	—	—	—	—	—	0.169	—	—	—	0.147	—
Diluted earnings per share [abstract]
Diluted earnings (loss) per share	—	0.164	0.197	—	—	—	—	—	—	—	—	—	0.165	—	—	—	0.144	—