Analysis Of Income And Expense [Abstract]

BE Semiconductor Industries N.V. - Filing #1833413

Concept	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	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue	—	—	433,623,000 EUR	—	—	—	—	—	356,195,000 EUR	—
Material income and expense [abstract]
Research and development expense	—	—	32,905,000 EUR	—	—	—	—	—	35,366,000 EUR	—
Finance income (cost)	—	—	12,343,000 EUR	—	—	—	—	—	13,784,000 EUR	—
Selling, general and administrative expense [abstract]
Selling, general and administrative expense	—	—	75,802,000 EUR	—	—	—	—	—	71,519,000 EUR	—
Operating expense	—	—	108,707,000 EUR	—	—	—	—	—	106,885,000 EUR	—
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	4,940,000 EUR	- EUR	4,940,000 EUR	5,878,000 EUR	- EUR	- EUR	5,878,000 EUR	- EUR
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	132,275,000 EUR	- EUR	127,291,000 EUR	- EUR	4,984,000 EUR	5,027,000 EUR	- EUR	81,320,000 EUR	86,347,000 EUR	- EUR