Statement Of Changes In Equity [Abstract]

Morgan Sindall Group PLC - Filing #1868783

Concept	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Dividends recognised as distributions to owners of parent	– GBP	– GBP	43,500,000 GBP	– GBP	43,500,000 GBP	– GBP	– GBP	– GBP	32,300,000 GBP	32,300,000 GBP
Increase (decrease) through exercise of options, equity	– GBP	– GBP	1,600,000 GBP	– GBP	1,600,000 GBP	– GBP	– GBP	– GBP	1,700,000 GBP	1,700,000 GBP
Decrease (increase) through tax on share-based payment transactions, equity	– GBP	– GBP	3,300,000 GBP	– GBP	3,300,000 GBP	– GBP	– GBP	– GBP	8,200,000 GBP	8,200,000 GBP
Purchase of treasury shares	– GBP	– GBP	15,700,000 GBP	– GBP	15,700,000 GBP	– GBP	– GBP	– GBP	33,600,000 GBP	33,600,000 GBP