Statement Of Comprehensive Income [Abstract]

Aalberts NV - Filing #1859813

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)	7,700,000 EUR	– EUR	– EUR	– EUR	– EUR	360,100,000 EUR	367,800,000 EUR	360,100,000 EUR	117,300,000 EUR	– EUR	125,100,000 EUR	– EUR	7,800,000 EUR	– EUR	– EUR	117,300,000 EUR
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 remeasurements of defined benefit plans	—	—	—	—	—	—	22,200,000 EUR	—	—	—	7,100,000 EUR	—	—	—	—	—
Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract]
Exchange differences on translation [abstract]
Other comprehensive income, before tax, exchange differences on translation of foreign operations	—	—	—	—	—	—	48,900,000 EUR	—	—	—	56,400,000 EUR	—	—	—	—	—
Financial assets measured at fair value through other comprehensive income [abstract]
Gains (losses) on financial assets measured at fair value through other comprehensive income, before tax	—	—	—	—	—	—	6,800,000 EUR	—	—	—	5,500,000 EUR	—	—	—	—	—
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract]
Income tax relating to remeasurements of defined benefit plans included in other comprehensive income	—	—	—	—	—	—	4,300,000 EUR	—	—	—	1,700,000 EUR	—	—	—	—	—
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract]
Income tax relating to cash flow hedges included in other comprehensive income	—	—	—	—	—	—	1,700,000 EUR	—	—	—	1,400,000 EUR	—	—	—	—	—
Other comprehensive income	200,000 EUR	– EUR	5,100,000 EUR	– EUR	48,700,000 EUR	71,700,000 EUR	71,900,000 EUR	17,900,000 EUR	5,400,000 EUR	– EUR	65,900,000 EUR	53,000,000 EUR	3,400,000 EUR	– EUR	4,100,000 EUR	62,500,000 EUR
Comprehensive income	7,900,000 EUR	– EUR	5,100,000 EUR	– EUR	48,700,000 EUR	431,800,000 EUR	439,700,000 EUR	378,000,000 EUR	111,900,000 EUR	– EUR	59,200,000 EUR	53,000,000 EUR	4,400,000 EUR	– EUR	4,100,000 EUR	54,800,000 EUR
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	431,800,000 EUR	—	—	—	54,800,000 EUR	—	—	—	—	—
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	—	7,900,000 EUR	—	—	—	4,400,000 EUR	—	—	—	—	—