Statement Of Changes In Equity [Abstract]

Grafton Group - Filing #5878403

Concept	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	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	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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Increase (decrease) through transfer between revaluation surplus and retained earnings, equity	– GBP	– GBP	– GBP	– GBP	189,000 GBP	– GBP	18 9 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	14 4 GBP	– GBP	– GBP	1 4 4 GBP	– GBP	– GBP	– GBP
Decrease (increase) through tax on share-based payment transactions, equity	– GBP	345,000 GBP	– GBP	345,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	1 ,3 12 GBP	– GBP	– GBP	1 , 31 2 GBP	– GBP	– GBP	– GBP	– GBP
Increase (decrease) through transactions with owners, equity	820,000 GBP	2 2 7, 6 3 9 GBP	806,000 GBP	2,0 8 5 GBP	2 28 ,1 0 1 GBP	1,886,000 GBP	18 9 GBP	– GBP	7 76 GBP	– GBP	1,2 88 GBP	70 0 GBP	21 0, 8 6 8 GBP	20 8,820 GBP	– GBP	3 ,1 9 0 GBP	1 4 4 GBP	74 6 GBP	2,52 8 GBP	– GBP
Purchase of treasury shares	1 5 9,4 5 8 GBP	1 5 9,4 5 8 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	1 42,981 GBP	– GBP	142,981,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP
Cancellation of treasury shares	159,591,000 GBP	– GBP	806,000 GBP	– GBP	159, 591 GBP	– GBP	– GBP	– GBP	80 6 GBP	– GBP	141 ,6 9 3 GBP	74 6 GBP	– GBP	141,6 93 GBP	– GBP	– GBP	– GBP	74 6 GBP	– GBP	– GBP