Consolidated Condensed Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2022	Oct. 02, 2021	Oct. 01, 2022	Oct. 02, 2021
Statement of Comprehensive Income [Abstract]
Net earnings	$ 10,148	$ 5,449	$ 27,712	$ 14,455
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	(8,479)	(2,116)	(18,214)	(3,309)
Pension and other postretirement actuarial items	65	113	227	431
Other comprehensive loss	(8,414)	(2,003)	(17,987)	(2,878)
Comprehensive income	1,734	3,446	9,725	11,577
Less: comprehensive income attributable to noncontrolling interests	30	70	483	195
Comprehensive income attributable to VPG stockholders	$ 1,704	$ 3,376	$ 9,242	$ 11,382