Statement Of Comprehensive Income [Abstract]

HARWORTH GROUP PLC - Filing #1602998

Concept	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	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Statement of comprehensive income [abstract]
Profit (loss)	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	93,990,000 GBP	93,990,000 GBP	25,796,000 GBP	– GBP	– GBP	25,796,000 GBP	– GBP	– GBP	– GBP	– GBP
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract]
Other comprehensive income, before tax, gains (losses) on revaluation of property, plant and equipment, right-of-use assets and intangible assets	– GBP	– GBP	– GBP	– GBP	– GBP	200,000 GBP	200,000 GBP	– GBP	– GBP	– GBP	– GBP	48,000 GBP	– GBP	– GBP	48,000 GBP	– GBP
Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	262,000 GBP	262,000 GBP	339,000 GBP	– GBP	– GBP	339,000 GBP	– GBP	– GBP	– GBP	– GBP
Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract]
Financial assets measured at fair value through other comprehensive income [abstract]
Other comprehensive income, before tax, financial assets measured at fair value through other comprehensive income	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	670,000 GBP	670,000 GBP	267,000 GBP	– GBP	– GBP	267,000 GBP	– GBP	– GBP	– GBP	– GBP
Other comprehensive income	—	—	—	—	—	—	595,000 GBP	—	—	—	—	443,000 GBP	—	—	—	—
Comprehensive income	– GBP	– GBP	– GBP	– GBP	– GBP	66,796,000 GBP	94,585,000 GBP	27,789,000 GBP	8,641,000 GBP	– GBP	– GBP	25,353,000 GBP	– GBP	– GBP	16,712,000 GBP	– GBP