Analysis Of Income And Expense [Abstract]

SAGA PLC - Filing #1645103

Concept	2021-02-01 to 2022-01-31	2021-02-01 to 2022-01-31	2021-02-01 to 2022-01-31	2021-02-01 to 2022-01-31	2021-02-01 to 2022-01-31	2021-02-01 to 2022-01-31	2021-02-01 to 2022-01-31	2020-02-01 to 2021-01-31	2020-02-01 to 2021-01-31	2020-02-01 to 2021-01-31	2020-02-01 to 2021-01-31	2020-02-01 to 2021-01-31	2020-02-01 to 2021-01-31	2020-02-01 to 2021-01-31
Analysis of income and expense [abstract]
Revenue [abstract]
Other revenue	—	—	—	298,000,000 GBP	—	—	—	—	—	—	258,700,000 GBP	—	—	—
Revenue	—	—	—	377,200,000 GBP	—	—	—	—	—	—	337,600,000 GBP	—	—	—
Material income and expense [abstract]
Gains (losses) on disposals of non-current assets [abstract]
Gains (losses) on disposals of non-current assets	—	—	—	400,000 GBP	—	—	—	—	—	—	6,600,000 GBP	—	—	—
Gains (losses) on disposals of investments [abstract]
Gains (losses) on disposals of investments	—	—	—	7,200,000 GBP	—	—	—	—	—	—	8,600,000 GBP	—	—	—
Investment income	—	—	—	300,000 GBP	—	—	—	—	—	—	700,000 GBP	—	—	—
Selling, general and administrative expense [abstract]
Selling, general and administrative expense	—	—	—	212,800,000 GBP	—	—	—	—	—	—	224,200,000 GBP	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	– GBP	– GBP	1,200,000 GBP	31,300,000 GBP	– GBP	8,100,000 GBP	24,400,000 GBP	– GBP	68,800,000 GBP	16,300,000 GBP	50,100,000 GBP	– GBP	2,400,000 GBP	– GBP
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	31,300,000 GBP	—	—	—	—	—	—	50,100,000 GBP	—	—	—