Statement Of Changes In Equity [Abstract]

BE Semiconductor Industries N.V. - Filing #1842697

Concept	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	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 changes in equity [abstract]
Statement of changes in equity [line items]
Equity	261,211,000 EUR	106,128,000 EUR	—	619,274,000 EUR	—	251,149,000 EUR	—	786,000 EUR	—	—	—	127,425,000 EUR	786,000 EUR	—	64,416,000 EUR	178,600,000 EUR	—	—	371,227,000 EUR	—	60,619,000 EUR	159,671,000 EUR	298,508,000 EUR	77,417,000 EUR	801,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	- EUR	—	- EUR	—	- EUR	—	282,419,000 EUR	282,419,000 EUR	132,275,000 EUR	—	—	132,275,000 EUR	—	—	- EUR	- EUR	—	- EUR	—	—	—	—	—
Other comprehensive income	—	—	22,436,000 EUR	—	- EUR	—	- EUR	—	22,436,000 EUR	- EUR	4,984,000 EUR	—	—	- EUR	—	—	4,984,000 EUR	- EUR	—	- EUR	—	—	—	—	—
Comprehensive income	—	—	22,436,000 EUR	—	- EUR	—	- EUR	—	304,855,000 EUR	282,419,000 EUR	127,291,000 EUR	—	—	132,275,000 EUR	—	—	4,984,000 EUR	- EUR	—	- EUR	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	—	- EUR	—	16,409,000 EUR	—	- EUR	—	16,409,000 EUR	- EUR	10,470,000 EUR	—	—	- EUR	—	—	- EUR	- EUR	—	10,470,000 EUR	—	—	—	—	—