Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Numerator [Abstract]
Net earnings attributable to Vishay stockholders	$ 112,388	$ 93,192	$ 215,961	$ 164,627
Denominator [Abstract]
Weighted average shares (in shares)	143,773	144,808	144,305	144,784
Outstanding phantom stock units (in shares)	223	209	222	208
Adjusted weighted average shares - basic (in shares)	143,996	145,017	144,527	144,992
Effect of dilutive securities [Abstract]
Convertible and exchangeable debt instruments (in shares)	0	0	0	5
Restricted stock units (in shares)	401	428	451	456
Dilutive potential common shares (in shares)	401	428	451	461
Denominator for diluted earnings per share [Abstract]
Adjusted weighted average shares - diluted (in shares)	144,397	145,445	144,978	145,453
Basic earnings per share attributable to Vishay stockholders (in dollars per share)	$ 0.78	$ 0.64	$ 1.49	$ 1.14
Diluted earnings per share attributable to Vishay stockholders (in dollars per share)	$ 0.78	$ 0.64	$ 1.49	$ 1.13
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	333	317