Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2022	Oct. 02, 2021	Oct. 01, 2022	Oct. 02, 2021
Numerator [Abstract]
Net earnings attributable to Vishay stockholders	$ 140,061	$ 96,820	$ 356,022	$ 261,447
Denominator [Abstract]
Weighted average shares (in shares)	142,663	144,808	143,760	144,792
Outstanding phantom stock units (in shares)	224	209	223	208
Adjusted weighted average shares - basic (in shares)	142,887	145,017	143,983	145,000
Effect of dilutive securities [Abstract]
Convertible and exchangeable debt instruments (in shares)	0	0	0	3
Restricted stock units (in shares)	560	441	487	452
Dilutive potential common shares (in shares)	560	441	487	455
Denominator for diluted earnings per share [Abstract]
Adjusted weighted average shares - diluted (in shares)	143,447	145,458	144,470	145,455
Basic earnings per share attributable to Vishay stockholders (in dollars per share)	$ 0.98	$ 0.67	$ 2.47	$ 1.80
Diluted earnings per share attributable to Vishay stockholders (in dollars per share)	$ 0.98	$ 0.67	$ 2.46	$ 1.80
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)	168	317	278	317