Statement Of Financial Position [Abstract]

Essentra PLC - Filing #1600165

Concept	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-01-01	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31
Statement of financial position [abstract]
Assets [abstract]
Property, plant and equipment	—	—	—	—	254,300,000 GBP	—	—	—	—	—	—	—	—	—	—	—	262,500,000 GBP	—	273,500,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Right-of-use assets	—	—	—	—	50,400,000 GBP	—	—	—	—	—	—	—	—	—	—	—	52,700,000 GBP	—	43,400,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Current tax assets	—	—	—	—	1,500,000 GBP	—	—	—	—	—	—	—	—	—	—	—	3,700,000 GBP	—	7,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	—	—	11,600,000 GBP	—	—	—	—	—	—	—	—	—	—	—	20,600,000 GBP	—	15,200,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	—	136,300,000 GBP	—	—	—	—	—	—	—	—	—	—	—	135,800,000 GBP	—	70,400,000 GBP	—	—	—	—	—	—	—	—	70,400,000 GBP	—	—	—	—	—	—	—	—	—	—	—
Assets	—	—	—	—	1,282,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	1,252,100,000 GBP	—	1,200,900,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	—	—	—	75,600,000 GBP	—	—	—	—	—	—	—	—	—	—	—	75,600,000 GBP	—	66,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Retained earnings	—	—	—	—	333,600,000 GBP	—	—	—	—	—	—	—	—	—	—	—	300,800,000 GBP	—	307,100,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other reserves	—	—	—	—	132 .8 GBP	—	—	—	—	—	—	—	—	—	—	—	132,800,000 GBP	—	132,800,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity attributable to owners of parent	—	—	—	—	612,700,000 GBP	—	—	—	—	—	—	—	—	—	—	—	604,700,000 GBP	—	527,800,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Non-controlling interests	—	—	—	—	16,200,000 GBP	—	—	—	—	—	—	—	—	—	—	—	13,300,000 GBP	—	7,700,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity	333,600,000 GBP	100,000 GBP	1,500,000 GBP	132,800,000 GBP	628,900,000 GBP	385,200,000 GBP	16,200,000 GBP	47,500,000 GBP	75,600,000 GBP	300,800,000 GBP	13,300,000 GBP	100,000 GBP	75,600,000 GBP	385,200,000 GBP	24,100,000 GBP	132,800,000 GBP	618,000,000 GBP	100,000 GBP	535,500,000 GBP	540,800,000 GBP	66,000,000 GBP	7,700,000 GBP	298,100,000 GBP	300,000 GBP	7,700,000 GBP	132,800,000 GBP	11,000,000 GBP	535,500,000 GBP	11,000,000 GBP	298,100,000 GBP	307,100,000 GBP	132,800,000 GBP	100,000 GBP	66,000,000 GBP	5,300,000 GBP	5,300,000 GBP	- GBP	100,000 GBP	312,400,000 GBP
Liabilities [abstract]
Current tax liabilities	—	—	—	—	21,500,000 GBP	—	—	—	—	—	—	—	—	—	—	—	33,100,000 GBP	—	37,900,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax liabilities	—	—	—	—	45,300,000 GBP	—	—	—	—	—	—	—	—	—	—	—	45,500,000 GBP	—	45,300,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Liabilities	—	—	—	—	653,100,000 GBP	—	—	—	—	—	—	—	—	—	—	—	634,100,000 GBP	—	665,400,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	—	—	1,282,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	1,252,100,000 GBP	—	1,200,900,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—