Profit Or Loss [Abstract]

Just Group PLC - Filing #1869045

Concept	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	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	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31
Profit or loss [abstract]
Profit (loss) [abstract]
Finance costs	—	132 .7 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	136 .8 GBP	—
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	2. 9 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	– GBP	—
Profit (loss) before tax	—	3 1 7. 4 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	21,400,000 GBP	—
Tax expense (income)	—	85,700,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	5,600,000 GBP	—
Profit (loss)	– GBP	231 .7 GBP	2 31. 1 GBP	600,000 GBP	– GBP	– GBP	231 . 1 GBP	– GBP	– GBP	– GBP	231,100,000 GBP	– GBP	800,000 GBP	– GBP	15 .0 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	15,000,000 GBP	15. 8 GBP	15,000,000 GBP
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	—	2 31 .1 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	15. 0 GBP	—
Profit (loss), attributable to non-controlling interests	—	0. 6 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0. 8 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	—	2 3.70	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	7. 9 7	—
Diluted earnings per share [abstract]
Diluted earnings (loss) per share	—	2 3.70	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	7. 9 7	—