Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 02, 2022	Apr. 03, 2021
Numerator [Abstract]
Net earnings attributable to Vishay stockholders	$ 103,573	$ 71,435
Denominator [Abstract]
Weighted average shares (in shares)	144,832	144,760
Outstanding phantom stock units (in shares)	221	208
Adjusted weighted average shares - basic (in shares)	145,053	144,968
Effect of dilutive securities [Abstract]
Convertible and exchangeable debt instruments (in shares)	0	9
Restricted stock units (in shares)	500	486
Dilutive potential common shares (in shares)	500	495
Denominator for diluted earnings per share [Abstract]
Adjusted weighted average shares - diluted (in shares)	145,553	145,463
Basic earnings per share attributable to Vishay stockholders (in dollars per share)	$ 0.71	$ 0.49
Diluted earnings per share attributable to Vishay stockholders (in dollars per share)	$ 0.71	$ 0.49
Weighted Average Other [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)	333	317