Statement Of Comprehensive Income [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
Statement of comprehensive income [abstract]
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	— GBP	47,600,000 GBP	— GBP	6,100,000 GBP	— GBP	41,500,000 GBP	41,500,000 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	—	2,300,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	6,200,000 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	—	35,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	8,300,000 GBP	—
Other comprehensive income, before tax	— GBP	32,700,000 GBP	—	—	— GBP	— GBP	2,300,000 GBP	35,000,000 GBP	— GBP	— GBP	— GBP	— GBP	—	— GBP	—	8,300,000 GBP	2,100,000 GBP	6,200,000 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	—	800,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2,200,000 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	—	400,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	100,000 GBP	—
Comprehensive income	— GBP	80,500,000 GBP	—	—	— GBP	— GBP	45,900,000 GBP	34,600,000 GBP	— GBP	— GBP	— GBP	— GBP	—	— GBP	—	8,200,000 GBP	37,300,000 GBP	45,500,000 GBP
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	80,500,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	37,300,000 GBP	—