Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2021	Oct. 03, 2020	Oct. 02, 2021	Oct. 03, 2020
Consolidated Statements of Comprehensive Income [Abstract]
Net earnings	$ 97,082	$ 33,661	$ 262,106	$ 85,940
Other comprehensive income (loss), net of tax
Pension and other post-retirement actuarial items	1,850	1,886	5,734	5,247
Foreign currency translation adjustment	(17,242)	21,100	(34,906)	18,059
Other comprehensive income (loss)	(15,392)	22,986	(29,172)	23,306
Comprehensive income	81,690	56,647	232,934	109,246
Less: comprehensive income attributable to noncontrolling interests	262	177	659	584
Comprehensive income attributable to Vishay stockholders	$ 81,428	$ 56,470	$ 232,275	$ 108,662