Statement Of Comprehensive Income [Abstract]

Chemring Group PLC - Filing #3475974

Concept	2022-11-01 to 2023-10-31	2022-11-01 to 2023-10-31	2022-11-01 to 2023-10-31	2022-11-01 to 2023-10-31	2022-11-01 to 2023-10-31	2022-11-01 to 2023-10-31	2022-11-01 to 2023-10-31	2022-11-01 to 2023-10-31	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	2021-11-01 to 2022-10-31
Statement of comprehensive income [abstract]
Profit (loss)	— GBP	— GBP	56,800,000 GBP	5,400,000 GBP	51,400,000 GBP	— GBP	5,400,000 GBP	— GBP	— GBP	47,400,000 GBP	— GBP	56,800,000 GBP	— GBP	9,400,000 GBP	47,400,000 GBP	— GBP
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract]
Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans	—	—	—	—	—	—	4,700,000 GBP	—	—	2,300,000 GBP	—	—	—	—	—	—
Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract]
Exchange differences on translation [abstract]
Gains (losses) on exchange differences on translation of foreign operations, before tax	—	—	—	—	—	—	15,200,000 GBP	—	—	35,000,000 GBP	—	—	—	—	—	—
Other comprehensive income, before tax	— GBP	— GBP	—	4,700,000 GBP	—	15,200,000 GBP	19,900,000 GBP	— GBP	— GBP	32,700,000 GBP	— GBP	—	— GBP	—	2,300,000 GBP	35,000,000 GBP
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract]
Income tax relating to remeasurements of defined benefit plans included in other comprehensive income	—	—	—	—	—	—	1,600,000 GBP	—	—	800,000 GBP	—	—	—	—	—	—
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract]
Income tax relating to exchange differences on translation of foreign operations included in other comprehensive income	—	—	—	—	—	—	1,100,000 GBP	—	—	400,000 GBP	—	—	—	—	—	—
Comprehensive income	— GBP	— GBP	—	2,300,000 GBP	—	16,300,000 GBP	14,000,000 GBP	— GBP	— GBP	80,500,000 GBP	— GBP	—	— GBP	—	45,900,000 GBP	34,600,000 GBP
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	14,000,000 GBP	—	—	80,500,000 GBP	—	—	—	—	—	—