Analysis Of Income And Expense [Abstract]

Kendrion N.V. - Filing #1858299

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	—	—	—	—	—	—	464,000,000 EUR	—	—	—	396,400,000 EUR	—	—	—	—	—
Material income and expense [abstract]
Revenue and other operating income	—	—	—	—	—	—	464,200,000 EUR	—	—	—	396,700,000 EUR	—	—	—	—	—
Expenses by nature [abstract]
Classes of employee benefits expense [abstract]
Employee benefits expense	—	—	—	—	—	—	138,100,000 EUR	—	—	—	119,500,000 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	—	—	—	—	—	—	27,800,000 EUR	—	—	—	30,100,000 EUR	—	—	—	—	—
Other expenses, by nature	—	—	—	—	—	—	36,000,000 EUR	—	—	—	31,300,000 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	– EUR	– EUR	– EUR	– EUR	7,800,000 EUR	7,800,000 EUR	– EUR	– EUR	– EUR	5,500,000 EUR	5,500,000 EUR	– EUR	– EUR	– EUR	– EUR
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]
Share of profit (loss) of associates accounted for using equity method	—	—	—	—	—	—	100,000 EUR	—	—	—	300,000 EUR	—	—	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	– EUR	100,000 EUR	– EUR	500,000 EUR	– EUR	7,800,000 EUR	22,800,000 EUR	14,400,000 EUR	4,300,000 EUR	– EUR	600,000 EUR	5,500,000 EUR	– EUR	200,000 EUR	1,600,000 EUR	– EUR