Consolidated Condensed Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2023	Apr. 02, 2022
Statement of Comprehensive Income [Abstract]
Net earnings	$ 6,982	$ 6,684
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	1,502	(1,792)
Pension and other postretirement actuarial items	3	81
Other comprehensive loss	1,505	(1,711)
Comprehensive income	8,487	4,973
Less: comprehensive income attributable to noncontrolling interests	18	328
Comprehensive income attributable to VPG stockholders	$ 8,469	$ 4,645