Analysis Of Income And Expense [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
Analysis of income and expense [abstract]
Revenue [abstract]
Interest income	1,156,800,000 GBP	—	—	—	—	—	—	—	—	—	897,500,000 GBP	—	—	—	—	—	—	—
Material income and expense [abstract]
Expense of restructuring activities	3,100,000 GBP	—	—	—	—	—	—	—	—	—	— GBP	—	—	—	—	—	—	—
Interest expense	565. 5 GBP	—	—	—	—	—	—	—	—	—	304,900,000 GBP	—	—	—	—	—	—	—
Interest income (expense)	591,300,000 GBP	—	—	—	—	—	—	—	—	—	592,600,000 GBP	—	—	—	—	—	—	—
Revenue and other operating income	944,200,000 GBP	—	—	—	—	—	—	—	—	—	932,600,000 GBP	—	—	—	—	—	—	—
Operating expense	802,200,000 GBP	—	—	—	—	—	—	—	—	—	820,600,000 GBP	—	—	—	—	—	—	—
Fee and commission income (expense) [abstract]
Fee and commission income [abstract]
Fee and commission income	271,200,000 GBP	—	—	—	—	—	—	—	—	—	262,900,000 GBP	—	—	—	—	—	—	—
Fee and commission expense [abstract]
Fee and commission expense	22,800,000 GBP	—	—	—	—	—	—	—	—	—	17,900,000 GBP	—	—	—	—	—	—	—
Trading income (expense) [abstract]
Trading income (expense)	53,200,000 GBP	—	—	—	—	—	—	—	—	—	58,600,000 GBP	—	—	—	—	—	—	—
Expenses by nature [abstract]
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Impairment loss (reversal of impairment loss) recognised in profit or loss	98,800,000 GBP	—	—	—	—	—	—	—	—	—	204,100,000 GBP	—	—	—	—	—	—	—
Miscellaneous other comprehensive income [abstract]
Other comprehensive income, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract]
Other comprehensive income, before tax, exchange differences on translation of foreign operations	500,000 GBP	—	—	—	—	—	—	—	—	—	700,000 GBP	—	—	—	—	—	—	—
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss	— GBP	—	—	—	—	—	—	—	—	—	1,600,000 GBP	—	—	—	—	—	—	—
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss	9,800,000 GBP	—	—	—	—	—	—	—	—	—	4,300,000 GBP	—	—	—	—	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	76,300,000 GBP	21,400,000 GBP	100,000 GBP	— GBP	100,400,000 GBP	— GBP	76,300,000 GBP	— GBP	2,600,000 GBP	— GBP	87,100,000 GBP	— GBP	77,000,000 GBP	2,800,000 GBP	— GBP	200,000 GBP	87,100,000 GBP	12,700,000 GBP
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	65,200,000 GBP	—	—	—	—	—	—	—	—	—	87,100,000 GBP	—	—	—	—	—	—	—