Statement Of Changes In Equity [Abstract]

Morgan Sindall Group PLC - Filing #5584890

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	—	578,200,000 GBP	65,700,000 GBP	2,400,000 GBP	—	—	900,000 GBP	647,200,000 GBP	—	568,100,000 GBP	—	508,400,000 GBP	1,300,000 GBP	—	—	56,000,000 GBP	—	2,400,000 GBP	496,200,000 GBP	1,100,000 GBP	55,900,000 GBP	436,800,000 GBP	2,400,000 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	– GBP	– GBP	– GBP	—	—	—	131,700,000 GBP	131,700,000 GBP	—	—	117,700,000 GBP	—	– GBP	—	—	117,700,000 GBP	– GBP	—	– GBP	—	—	—	—	—	—
Other comprehensive income	400,000 GBP	– GBP	– GBP	—	—	—	– GBP	400,000 GBP	—	—	200,000 GBP	—	200,000 GBP	—	—	– GBP	– GBP	—	– GBP	—	—	—	—	—	—
Comprehensive income	400,000 GBP	– GBP	– GBP	—	—	—	131,700,000 GBP	131,300,000 GBP	—	—	117,900,000 GBP	—	200,000 GBP	—	—	117,700,000 GBP	– GBP	—	– GBP	—	—	—	—	—	—
Issue of equity	– GBP	– GBP	9,700,000 GBP	—	—	—	– GBP	9,700,000 GBP	—	—	100,000 GBP	—	– GBP	—	—	– GBP	100,000 GBP	—	– GBP	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	– GBP	– GBP	– GBP	—	—	—	10,500,000 GBP	10,500,000 GBP	—	—	6,600,000 GBP	—	– GBP	—	—	6,600,000 GBP	– GBP	—	– GBP	—	—	—	—	—	—