Statement Of Changes In Equity [Abstract]

Clarkson PLC - Filing #1872578

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	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	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	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	As at 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 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	413,200,000 GBP	—	—	—	—	—	—	—	114,800,000 GBP	3,500,000 GBP	287 .2 GBP	7. 7 GBP	409,700,000 GBP	—	—	—	—	245,300,000 GBP	104,000,000 GBP	—	—	361,600,000 GBP	356,900,000 GBP	4,700,000 GBP	—	7. 6 GBP	—	—	211,900,000 GBP	4,300,000 GBP	32 4. 1 GBP	7. 6 GBP	104,600,000 GBP	328,400,000 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	– GBP	– GBP	79. 6 GBP	75,600,000 GBP	4 .0 GBP	700,000 GBP	80,300,000 GBP	—	—	—	—	—	7 5.6 GBP	54,700,000 GBP	300,000 GBP	4,300,000 GBP	—	—	– GBP	5 0 .1 GBP	—	—	—	– GBP	—	54,400,000 GBP	5 0 .1 GBP	—	—	—	—	—	—
Other comprehensive income	—	– GBP	7. 9 GBP	2,400,000 GBP	5,500,000 GBP	– GBP	—	—	—	—	—	—	—	2,400,000 GBP	—	—	– GBP	—	—	2,700,000 GBP	2,800,000 GBP	—	—	—	– GBP	—	2,800,000 GBP	5,500,000 GBP	—	—	—	—	—	—
Comprehensive income	—	– GBP	7. 9 GBP	82,000,000 GBP	70,100,000 GBP	4 .0 GBP	—	—	—	—	—	—	—	7 8.0 GBP	—	—	4,300,000 GBP	—	—	2,700,000 GBP	52,900,000 GBP	—	—	—	– GBP	—	5 7. 2 GBP	55,600,000 GBP	—	—	—	—	—	—
Issue of equity	—	0 .1 GBP	2,600,000 GBP	2 .7 GBP	– GBP	– GBP	—	—	—	—	—	—	—	2 .7 GBP	—	—	– GBP	—	—	1,800,000 GBP	1,800,000 GBP	—	—	—	– GBP	—	1,800,000 GBP	– GBP	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	– GBP	– GBP	30,200,000 GBP	25,900,000 GBP	4,300,000 GBP	—	—	—	—	—	—	—	25,900,000 GBP	—	—	3,900,000 GBP	—	—	– GBP	24,400,000 GBP	—	—	—	– GBP	—	28,300,000 GBP	24,400,000 GBP	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	– GBP	0. 3 GBP	1,000,000 GBP	1,300,000 GBP	– GBP	—	—	—	—	—	—	—	1,000,000 GBP	—	—	– GBP	—	—	300,000 GBP	0. 2 GBP	—	—	—	– GBP	—	200,000 GBP	0. 1 GBP	—	—	—	—	—	—