Profit Or Loss [Abstract]

Close Brothers Group PLC - Filing #3479184

Concept	2021-08-01 to 2022-07-31	2021-08-01 to 2022-07-31	2021-08-01 to 2022-07-31	2021-08-01 to 2022-07-31	2021-08-01 to 2022-07-31	2021-08-01 to 2022-07-31	2021-08-01 to 2022-07-31	2021-08-01 to 2022-07-31	2021-08-01 to 2022-07-31	2020-08-01 to 2021-07-31	2020-08-01 to 2021-07-31	2020-08-01 to 2021-07-31	2020-08-01 to 2021-07-31	2020-08-01 to 2021-07-31	2020-08-01 to 2021-07-31	2020-08-01 to 2021-07-31	2020-08-01 to 2021-07-31	2020-08-01 to 2021-07-31
Profit or loss [abstract]
Profit (loss) [abstract]
Other income	—	—	106,100,000 GBP	—	—	—	—	—	—	89,400,000 GBP	—	—	—	—	—	—	—	—
Profit (loss) before tax	—	—	232,800,000 GBP	—	—	—	—	—	—	265,200,000 GBP	—	—	—	—	—	—	—	—
Tax expense (income)	—	—	67,600,000 GBP	—	—	—	—	—	—	63,100,000 GBP	—	—	—	—	—	—	—	—
Profit (loss)	– GBP	– GBP	165,200,000 GBP	– GBP	165,200,000 GBP	– GBP	– GBP	– GBP	165,200,000 GBP	202,100,000 GBP	– GBP	202,100,000 GBP	– GBP	202,100,000 GBP	– GBP	– GBP	– GBP	– GBP
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	—	—	165,200,000 GBP	—	—	—	—	—	—	202,100,000 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	—	—	1.104	—	—	—	—	—	—	1.348	—	—	—	—	—	—	—	—
Diluted earnings per share [abstract]
Diluted earnings (loss) per share	—	—	1.099	—	—	—	—	—	—	1.336	—	—	—	—	—	—	—	—