Analysis Of Income And Expense [Abstract]

Belysse Group NV - Filing #3122621

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
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue	—	—	—	—	—	—	276,814,000 EUR	—	—	—	258,356,000 EUR	—	—	—	—	—
Material income and expense [abstract]
Expense of restructuring activities	—	—	—	—	—	—	5,993,000 EUR	—	—	—	7,770,000 EUR	—	—	—	—	—
Finance income (cost)	—	—	—	—	—	—	28,294,000 EUR	—	—	—	25,493,000 EUR	—	—	—	—	—
Expenses by nature [abstract]
Raw materials and consumables used	—	—	—	—	—	—	114,514,000 EUR	—	—	—	96,232,000 EUR	—	—	—	—	—
Classes of employee benefits expense [abstract]
Employee benefits expense	—	—	—	—	—	—	83,069,000 EUR	—	—	—	75,047,000 EUR	—	—	—	—	—
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation and amortisation expense [abstract]
Depreciation and amortisation expense	—	—	—	—	—	—	17,143,000 EUR	—	—	—	17,227,000 EUR	—	—	—	—	—
Other expenses, by nature	—	—	—	—	—	—	46,850,000 EUR	—	—	—	45,817,000 EUR	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [abstract]
Disclosure of attribution of expenses by nature to their function [line items]
Miscellaneous other comprehensive income [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations	- EUR	8,804,000 EUR	10,375,000 EUR	8,804,000 EUR	- EUR	- EUR	1,571,000 EUR	- EUR	- EUR	- EUR	21,287,000 EUR	10,335,000 EUR	- EUR	10,951,000 EUR	10,335,000 EUR	- EUR
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss	- EUR	17,000 EUR	116,000 EUR	17,000 EUR	- EUR	- EUR	133,000 EUR	- EUR	- EUR	- EUR	45,000 EUR	4,000 EUR	- EUR	41,000 EUR	4,000 EUR	- EUR
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	- EUR	7,730,000 EUR	122,761,000 EUR	8,796,000 EUR	- EUR	- EUR	130,491,000 EUR	16,526,000 EUR	16,986,000 EUR	- EUR	33,511,000 EUR	10,056,000 EUR	- EUR	6,469,000 EUR	27,041,000 EUR	- EUR