Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2024	Sep. 30, 2023	Sep. 28, 2024	Sep. 30, 2023
Numerator [Abstract]
Net earnings (loss) attributable to Vishay stockholders	$ (19,299)	$ 65,529	$ 35,158	$ 272,348
Denominator [Abstract]
Weighted average shares (in shares)	136,667	138,964	137,155	139,696
Outstanding phantom stock units (in shares)	126	119	126	132
Adjusted weighted average shares - basic (in shares)	136,793	139,083	137,281	139,828
Effect of dilutive securities [Abstract]
Restricted stock units (in shares)	0	918	758	749
Dilutive potential common shares (in shares)	0	918	758	749
Denominator for diluted earnings per share [Abstract]
Adjusted weighted average shares - diluted (in shares)	136,793	140,001	138,039	140,577
Basic earnings (loss) per share attributable to Vishay stockholders (in dollars per share)	$ (0.14)	$ 0.47	$ 0.26	$ 1.95
Diluted earnings (loss) per share attributable to Vishay stockholders (in dollars per share)	$ (0.14)	$ 0.47	$ 0.25	$ 1.94
Restricted stock units [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)	2,646	3	243	107