Consolidated Condensed Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Consolidated Condensed Statements of Operations [Abstract]
Net revenues	$ 790,640	$ 735,353	$ 2,268,126	$ 2,222,871
Costs of products sold	636,781	584,470	1,830,030	1,738,711
Gross profit	153,859	150,883	438,096	484,160
Selling, general, and administrative expenses	134,712	128,545	396,016	381,234
Restructuring and severance costs	0	40,614	0	40,614
Operating income (loss)	19,147	(18,276)	42,080	62,312
Other income (expense):
Interest expense	(9,525)	(6,596)	(28,903)	(19,749)
Other	2,265	803	6,759	13,901
Total other income (expense)	(7,260)	(5,793)	(22,144)	(5,848)
Income (loss) before taxes	11,887	(24,069)	19,936	56,464
Income tax expense (benefit)	19,763	(5,076)	29,900	20,134
Net earnings (loss)	(7,876)	(18,993)	(9,964)	36,330
Less: net earnings attributable to noncontrolling interests	0	306	0	1,172
Net earnings (loss) attributable to Vishay stockholders	$ (7,876)	$ (19,299)	$ (9,964)	$ 35,158
Basic earnings (loss) per share attributable to Vishay stockholders (in dollars per share)	$ (0.06)	$ (0.14)	$ (0.07)	$ 0.26
Diluted earnings (loss) per share attributable to Vishay stockholders (in dollars per share)	$ (0.06)	$ (0.14)	$ (0.07)	$ 0.25
Weighted average shares outstanding - basic (in shares)	135,720	136,793	135,739	137,281
Weighted average shares outstanding - diluted (in shares)	135,720	136,793	135,739	138,039
Cash dividends per share (in dollars per share)	$ 0.1	$ 0.1	$ 0.3	$ 0.3