Analysis Of Income And Expense [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
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue	—	—	472,600,000 GBP	—	— GBP	—	472,600,000 GBP	—	—	401,000,000 GBP	—	401,000,000 GBP	—	— GBP	—	—
Miscellaneous other comprehensive income [abstract]
Income tax relating to exchange differences on translation of foreign operations and hedges of net investments in foreign operations included in other comprehensive income [abstract]
Income tax relating to exchange differences on translation of foreign operations included in other comprehensive income	—	—	—	—	—	—	1,100,000 GBP	—	—	400,000 GBP	—	—	—	—	—	—
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to components of other comprehensive income	— GBP	— GBP	—	1,600,000 GBP	—	1,100,000 GBP	500,000 GBP	— GBP	— GBP	400,000 GBP	— GBP	—	— GBP	—	800,000 GBP	400,000 GBP
Comprehensive income, continuing and discontinued operations [abstract]
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 owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	14,000,000 GBP	—	—	80,500,000 GBP	—	—	—	—	—	—