Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Consolidated Statements of Comprehensive Income [Abstract]
Net earnings (loss)	$ (7,876)	$ (18,993)	$ (9,964)	$ 36,330
Other comprehensive income, net of tax
Pension and other post-retirement actuarial items	231	511	671	(1,297)
Foreign currency translation adjustment	3,420	31,266	102,897	5,768
Other comprehensive income	3,651	31,777	103,568	4,471
Comprehensive income (loss)	(4,225)	12,784	93,604	40,801
Less: comprehensive income attributable to noncontrolling interests	0	306	0	1,172
Comprehensive income (loss) attributable to Vishay stockholders	$ (4,225)	$ 12,478	$ 93,604	$ 39,629