Profit Or Loss [Abstract]

Close Brothers Group PLC - Filing #2522033

Concept	2023-08-01 to 2024-07-31	2023-08-01 to 2024-07-31	2023-08-01 to 2024-07-31	2023-08-01 to 2024-07-31	2023-08-01 to 2024-07-31	2023-08-01 to 2024-07-31	2023-08-01 to 2024-07-31	2023-08-01 to 2024-07-31	2023-08-01 to 2024-07-31	2022-08-01 to 2023-07-31	2022-08-01 to 2023-07-31	2022-08-01 to 2023-07-31	2022-08-01 to 2023-07-31	2022-08-01 to 2023-07-31	2022-08-01 to 2023-07-31	2022-08-01 to 2023-07-31	2022-08-01 to 2023-07-31	2022-08-01 to 2023-07-31
Profit or loss [abstract]
Profit (loss) [abstract]
Other income	132,700,000 GBP	—	—	—	—	—	—	—	—	—	114,200,000 GBP	—	—	—	—	—	—	—
Impairment loss (reversal of impairment loss) recognised in profit or loss	98,800,000 GBP	—	—	—	—	—	—	—	—	—	204,100,000 GBP	—	—	—	—	—	—	—
Profit (loss) before tax	142,000,000 GBP	—	—	—	—	—	—	—	—	—	112,000,000 GBP	—	—	—	—	—	—	—
Tax expense (income)	41,600,000 GBP	—	—	—	—	—	—	—	—	—	30,900,000 GBP	—	—	—	—	—	—	—
Profit (loss)	100,400,000 GBP	— GBP	— GBP	— GBP	100,400,000 GBP	— GBP	100,400,000 GBP	— GBP	— GBP	— GBP	81,100,000 GBP	— GBP	81,100,000 GBP	— GBP	— GBP	— GBP	81,100,000 GBP	— GBP
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	89,300,000 GBP	—	—	—	—	—	—	—	—	—	81,100,000 GBP	—	—	—	—	—	—	—
Earnings per share [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Earnings per share [abstract]
Earnings per share [line items]
Basic earnings per share [abstract]
Basic earnings (loss) per share	0.597	—	—	—	—	—	—	—	—	—	0.543	—	—	—	—	—	—	—
Diluted earnings per share [abstract]
Diluted earnings (loss) per share	0.595	—	—	—	—	—	—	—	—	—	0.542	—	—	—	—	—	—	—