Statement Of Comprehensive Income [Abstract]

Morgan Advanced Materials PLC - Filing #6770764

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31
Statement of comprehensive income [abstract]
Profit (loss)	– GBP	50,300,000 GBP	– GBP	– GBP	– GBP	– GBP	50,300,000 GBP	8,500,000 GBP	58,800,000 GBP	– GBP	79,300,000 GBP	20,500,000 GBP	– GBP	56,300,000 GBP	47,300,000 GBP	– GBP	– GBP	9,000,000 GBP	47,300,000 GBP	– GBP	– GBP	– GBP	– GBP	76,900,000 GBP	20,600,000 GBP	– GBP
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]
Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans	– GBP	700,000 GBP	– GBP	– GBP	– GBP	– GBP	700,000 GBP	– GBP	700,000 GBP	– GBP	—	—	– GBP	12,000,000 GBP	12,000,000 GBP	– GBP	– GBP	– GBP	12,000,000 GBP	– GBP	– GBP	– GBP	– GBP	—	—	– GBP
Other comprehensive income that will not be reclassified to profit or loss, net of tax	—	—	—	—	—	—	—	—	700,000 GBP	—	—	—	—	12,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—
Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]
Exchange differences on translation [abstract]
Gains (losses) on exchange differences on translation of foreign operations, net of tax	– GBP	10,000,000 GBP	– GBP	– GBP	– GBP	10,000,000 GBP	– GBP	1,000,000 GBP	11,000,000 GBP	– GBP	—	—	– GBP	32,800,000 GBP	29,600,000 GBP	– GBP	– GBP	3,200,000 GBP	– GBP	– GBP	29,600,000 GBP	– GBP	– GBP	—	—	– GBP
Cash flow hedges [abstract]
Gains (losses) on cash flow hedges, net of tax	– GBP	1,300,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	1,300,000 GBP	1,300,000 GBP	—	—	– GBP	1,300,000 GBP	1,300,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	—	—	1,300,000 GBP
Reclassification adjustments on cash flow hedges, net of tax	—	—	—	—	—	—	—	—	1,000,000 GBP	—	—	—	—	200,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	—	—	—	—	—	—	—	10,600,000 GBP	—	—	—	—	31,800,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	– GBP	8,900,000 GBP	– GBP	– GBP	– GBP	8,300,000 GBP	700,000 GBP	1,000,000 GBP	9,900,000 GBP	1,300,000 GBP	—	—	– GBP	43,800,000 GBP	40,600,000 GBP	– GBP	– GBP	3,200,000 GBP	12,000,000 GBP	– GBP	29,900,000 GBP	– GBP	– GBP	—	—	1,300,000 GBP
Comprehensive income	– GBP	41,400,000 GBP	– GBP	– GBP	– GBP	8,300,000 GBP	51,000,000 GBP	7,500,000 GBP	48,900,000 GBP	1,300,000 GBP	—	—	– GBP	12,500,000 GBP	6,700,000 GBP	– GBP	– GBP	5,800,000 GBP	35,300,000 GBP	– GBP	29,900,000 GBP	– GBP	– GBP	—	—	1,300,000 GBP
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	—	—	41,400,000 GBP	—	—	—	—	6,700,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	—	—	—	7,500,000 GBP	—	—	—	—	5,800,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—