Statement Of Changes In Equity [Abstract]

Computacenter PLC - Filing #3482125

Concept	As at 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	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	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	872,000,000 GBP	—	—	—	—	—	—	6,300,000 GBP	4,000,000 GBP	75,000,000 GBP	854,400,000 GBP	127,700,000 GBP	9,300,000 GBP	—	50,700,000 GBP	865,700,000 GBP	—	—	—	115,500,000 GBP	762,300,000 GBP	75,000,000 GBP	—	—	744,800,000 GBP	—	5,400,000 GBP	—	—	740,500,000 GBP	4,000,000 GBP	—	4,300,000 GBP	9,300,000 GBP	—	—	635,500,000 GBP	3,100,000 GBP	627,800,000 GBP	9,300,000 GBP	111,700,000 GBP	4,000,000 GBP	15,700,000 GBP	630,900,000 GBP	75,000,000 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	– GBP	– GBP	184,200,000 GBP	182,800,000 GBP	1,400,000 GBP	– GBP	—	—	—	—	—	—	– GBP	—	—	182,800,000 GBP	– GBP	1,200,000 GBP	—	—	—	– GBP	185,300,000 GBP	—	– GBP	—	– GBP	– GBP	—	—	– GBP	—	—	186,500,000 GBP	185,300,000 GBP	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	– GBP	– GBP	47,700,000 GBP	1,800,000 GBP	600,000 GBP	– GBP	—	—	—	—	—	—	45,300,000 GBP	—	—	47,100,000 GBP	– GBP	– GBP	—	—	—	– GBP	9,100,000 GBP	—	– GBP	—	– GBP	10,300,000 GBP	—	—	– GBP	—	—	9,100,000 GBP	1,200,000 GBP	—	—	—	—	—	—	—	—	—
Comprehensive income	—	– GBP	– GBP	231,900,000 GBP	184,600,000 GBP	2,000,000 GBP	– GBP	—	—	—	—	—	—	45,300,000 GBP	—	—	229,900,000 GBP	– GBP	1,200,000 GBP	—	—	—	– GBP	176,200,000 GBP	—	– GBP	—	– GBP	10,300,000 GBP	—	—	– GBP	—	—	177,400,000 GBP	186,500,000 GBP	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	– GBP	– GBP	80,500,000 GBP	80,500,000 GBP	– GBP	– GBP	—	—	—	—	—	—	– GBP	—	—	80,500,000 GBP	– GBP	– GBP	—	—	—	– GBP	62,400,000 GBP	—	– GBP	—	– GBP	– GBP	—	—	– GBP	—	—	62,400,000 GBP	62,400,000 GBP	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	– GBP	– GBP	8,600,000 GBP	8,600,000 GBP	– GBP	– GBP	—	—	—	—	—	—	– GBP	—	—	8,600,000 GBP	– GBP	– GBP	—	—	—	– GBP	10,600,000 GBP	—	– GBP	—	– GBP	– GBP	—	—	– GBP	—	—	10,600,000 GBP	10,600,000 GBP	—	—	—	—	—	—	—	—	—